結果

問題 No.1926 Sequence of Remainders
ユーザー CKyopro
提出日時 2022-05-06 22:10:07
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 295 ms / 2,000 ms
コード長 25,237 bytes
コンパイル時間 6,266 ms
コンパイル使用メモリ 417,404 KB
最終ジャッジ日時 2025-01-29 03:32:00
ジャッジサーバーID
(参考情報)
judge2 / judge2
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 1
other AC * 35
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ソースコード

diff #
プレゼンテーションモードにする

#include <iostream>
#include <map>
#include <set>
#include <climits>
#include <queue>
#include <bitset>
#include <sstream>
#include <deque>
#include <cassert>
#include <functional>
/*
#if __has_include(<atcoder/modint>)
# include <atcoder/modint>
# include <atcoder/segtree>
# include <atcoder/dsu>
# include <atcoder/math>
# include <atcoder/scc>
#endif
*/
#if __has_include(<atcoder/all>)
#include <atcoder/all>
#endif
#include <unordered_map>
#include <unordered_set>
#include <cmath>
#include <numeric>
#include <iomanip>
#include <algorithm>
#include <stack>
#include <ios>
#include <iomanip>
#include <cstdio>
#if __has_include( <boost/integer/extended_euclidean.hpp>)
# include <boost/multiprecision/cpp_int.hpp>
# include<boost/integer/extended_euclidean.hpp>
#endif
#define CLiBCXX_DEBUG
#define ll long long
#define ull unsigned long long
#define hmap unordered_map
#define hset unordered_set
using namespace std;
#if __has_include(<atcoder/modint>)
using namespace atcoder;
using mint10 = static_modint<10>;
using mint24 = static_modint<24>;
using mint3 = static_modint<3>;
using minta = modint998244353;
using mintb = modint1000000007;
#endif
ll powll(ll a, ll b)
{
return (ll)pow(a, b / 2) * (ll)pow(a, b - b / 2);
}
ll sum(ll a, ll b)
{
return a + b;
}
ll e()
{
return 0;
}
//see abc126 b
ll lis(vector<ll> v){
ll dp[200300];
ll sz = v.size();
for(ll i = 0; i < sz; ++i){
dp[i]=LLONG_MAX;
}
auto itr = v.begin();
auto len = 1;
dp[0]=*itr;
++itr;
for(;itr != v.end();++itr){
ll val = *itr;
ll l = -1;
ll r = len;
while(r - l!=1){
ll piv = (l+r)/2;
if(dp[piv]>=val){
r = piv;
}else{
l = piv;
}
}
if(dp[r]==LLONG_MAX){
len++;
}
dp[r]=val;
}
return len;
}
//return true if an argument is prime or one
#if __has_include( <boost/integer/extended_euclidean.hpp>)
bool isPrime(double num, set<ll>& primes, set<ll>& comps){
if(num==1){
return false;
}
if(primes.find(num)!=primes.end()){
return true;
}
if(comps.find(num)!=comps.end()){
return false;
}
double sq = sqrtf64(num);
for(int32_t i = 2; i <= sq; ++i){
if((ll)num%i==0){
comps.insert(num);
return false;
}
}
primes.insert(num);
return true;
}
#endif
//up to 3000 charactors
string LCS(string s, string t){
ll ss = s.size();
ll ts = t.size();
ll **a = new ll*[3001];
for(ll i = 0; i < 3001; ++i) a[i]= new ll[3001];
for(ll i = 0; i < 3001; ++i){
a[i][0]=0;
}
for(ll j = 0; j < 3001; ++j){
a[0][j]=0;
}
for(ll i = 1; i <= ss; ++i){
for(ll j = 1; j <= ts; ++j){
if(s[i-1]==t[j-1]){
a[i][j]=a[i-1][j-1]+1;
}else{
a[i][j]=max(a[i-1][j],a[i][j-1]);
}
}
}
//cout << a[ss][ts]<<endl; // test
vector<char> rans;
ll i_r = ss;
ll j_r = ts;
while(a[i_r][j_r]!=0){
if(s[i_r-1]==t[j_r-1]){
rans.push_back(s[i_r-1]);
i_r--;
j_r--;
}else{
if(a[i_r][j_r]==a[i_r-1][j_r]){
i_r--;
}else{
j_r--;
}
}
}
stringstream sst;
for(auto i = rans.rbegin(); i != rans.rend(); ++i){
sst << *i;
}
for(ll i = 0; i < 3001; ++i) delete[] a[i];
delete[] a;
return sst.str();
}
ll zeroll(){
return 0;
}
#if __has_include(<atcoder/modint>)
ll count_inversion(vector<ll> v)
{
ll n = v.size();
segtree<ll, sum,zeroll> seg(n);
ll c = 0;
for(ll i = 0; i < n; ++i){
ll tmpa=v[i];
tmpa--;
c+=seg.prod(tmpa,n);
seg.set(tmpa,1);
}
return c;
}
#endif
//TODO
/*
ll root(ll v,vector<ll>& parents){
assert(parents.size()>v&&v>=0);
if(parents[v]==v){
return v;
}
return parents[v]=root(parents[v], parents);
}
//
vector<vector<ll>> MST(vector<ll> starts, vector<ll> ends, vector<ll> costs, ll n){
assert(starts.size()==ends.size());
assert(starts.size()==costs.size());
ll m = starts.size();
for(ll i = 0; i < m; ++i){
assert(starts[i]!=ends[i]);
}
set<ll> added;
auto more = [](pair<ll,pair<ll,ll>> a,pair<ll,pair<ll,ll>> b){
return a.first>b.first;
};
priority_queue<pair<ll,pair<ll,ll>>,vector<pair<ll,pair<ll,ll>>>,decltype(more)> pq(more);
for(ll i = 0; i < m; ++i){
pq.push(make_pair(costs[i],make_pair(starts[i],ends[i])));
}
vector<ll> tmpv;
vector<vector<ll>> ans(n,tmpv);
vector<ll> parents(n);
for(ll i = 0; i < n; ++i){
parents[i]=i;
}
vector<ll> tree_size(n,1);
auto marge_sec = [](ll a, ll b, vector<ll>& parents, vector<ll>& tree_size){
assert(a!=b);
tree_size[root(a, parents)]+=tree_size[root(b, parents)];
parents[root(b,parents)]=root(a, parents);
};
ll total_cost = 0;
while(tree_size[parents[0]]!=n&&!pq.empty()){
auto current = pq.top();
auto cost = current.first;
auto edge = current.second;
ll a = edge.first;
ll b = edge.second;
pq.pop();
if(root(a,parents)==root(b,parents)){
//skip because it makes a cycle
}else{
marge_sec(a,b,parents,tree_size);
ans[a].push_back(b);
total_cost+=cost;
}
}
return ans;
}
//
ll MSTCost(vector<ll> starts, vector<ll> ends, vector<ll> costs, ll n){
assert(starts.size()==ends.size());
assert(starts.size()==costs.size());
ll m = starts.size();
for(ll i = 0; i < m; ++i){
assert(starts[i]!=ends[i]);
}
set<ll> added;
auto more = [](pair<ll,pair<ll,ll>> a,pair<ll,pair<ll,ll>> b){
return a.first>b.first;
};
priority_queue<pair<ll,pair<ll,ll>>,vector<pair<ll,pair<ll,ll>>>,decltype(more)> pq(more);
for(ll i = 0; i < m; ++i){
pq.push(make_pair(costs[i],make_pair(starts[i],ends[i])));
}
vector<ll> tmpv;
vector<vector<ll>> ans(n,tmpv);
vector<ll> parents(n);
for(ll i = 0; i < n; ++i){
parents[i]=i;
}
vector<ll> tree_size(n,1);
auto marge_sec = [](ll a, ll b, vector<ll>& parents, vector<ll>& tree_size){
assert(a!=b);
tree_size[root(a, parents)]+=tree_size[root(b, parents)];
parents[root(b,parents)]=root(a, parents);
};
ll total_cost = 0;
while(tree_size[parents[0]]!=n&&!pq.empty()){
auto current = pq.top();
auto cost = current.first;
auto edge = current.second;
ll a = edge.first;
ll b = edge.second;
pq.pop();
if(root(a,parents)==root(b,parents)){
//skip because it makes a cycle
}else{
marge_sec(a,b,parents,tree_size);
ans[a].push_back(b);
total_cost+=cost;
}
}
return total_cost;
}
*/
#if __has_include(<atcoder/all>)
// O((N+M)logM)
ll shortestPathDistance(ll size, vector<ll> froms, vector<ll> tos, vector<ll> costs, int start, int end){
assert(froms.size()==tos.size());
assert(froms.size()==costs.size());
mcf_graph<int,ll> g(size);
for(ll i = 0; i < froms.size(); ++i){
g.add_edge(froms[i],tos[i],1,costs[i]);
}
auto p = g.flow(start,end);
return (p.first!=0?p.second:LLONG_MAX);
}
// 1
ll shortestPathDistance(ll size, vector<ll> froms, vector<ll> tos, int start, int end){
assert(froms.size()==tos.size());
vector<ll> costs;
for(ll i = 0; i < froms.size(); ++i){
costs.push_back(1);
}
return shortestPathDistance(size,froms,tos,costs,start,end);
}
#endif
// 
vector<ll> shortestPathDistances(ll size, vector<vector<pair<ll,ll>>> edges, ll start){
#define iNF LLONG_MAX/3
vector<ll> ans(size,iNF);
ans[start] = 0;
priority_queue<pair<ll,ll>,vector<pair<ll,ll>>,greater<pair<ll,ll>>> nexts;
nexts.push(make_pair(0,start));
vector<ll> determined(size,false);
while(!nexts.empty()){
ll idx = nexts.top().second;
ll cost = nexts.top().first;
nexts.pop();
if(determined[idx]){
continue;
}
determined[idx]=true;
for(ll i = 0; i < edges[idx].size(); ++i){
if(!determined[edges[idx][i].first]){
if(ans[edges[idx][i].first]>ans[idx]+edges[idx][i].second){
nexts.push(make_pair(ans[idx]+edges[idx][i].second,edges[idx][i].first));
ans[edges[idx][i].first]=ans[idx]+edges[idx][i].second;
}
}
}
}
return ans;
}
//
template<class Score>
class TreeDP{
private:
vector<Score> score;
function<Score (Score, Score)> op;
vector<vector<int>> edges;
int size;
public:
TreeDP(int n, Score def, function<Score (Score, Score)> op){
vector<int> score(n,def);
this.score=score;
this.op = op;
this.size = n;
}
void add_edge(int a, int b){
edges[a].push_back(b);
}
vector<Score> prod(){
vector<int> in(size,0);//
for(int i = 0; i < edges.size(); ++i){
for(int j = 0; j < edges[i].size(); ++j){
in[edges[i][j]]++;
}
}
queue<int> no_in;
for(int i = 0; i < in.size(); ++i){
if(in[i]==0){
no_in.push(i);
}
}
vector<int> sorted;
while(!no_in.empty()){
int curr = no_in.front();
sorted.push_back(curr);
no_in.pop();
for(ll i = 0; i < edges[curr].size(); ++i){
int to = edges[curr][i];
in[to]--;
if(in[to]==0){
no_in.push(to);
}
}
}
for(int i = 0; i < sorted.size(); ++i){
for(int j = 0; j < edges[sorted[i]].size(); ++j){
int to = edges[sorted[i]][j];
int from = i;
score[to]=op(score[to],score[from]);
}
}
return score;
}
};
namespace cell{
//Union-Find
class uf{
public:
uf(ll n){
par.resize(n);
sizes.resize(n);
for(ll i = 0; i < n; ++i){
par[i]=i;
sizes[i]=1;
}
}
void merge(ll a, ll b){
sizes[root(a)]+=sizes[root(b)];
par[root(b)]=root(a);
}
vector<ll> par;
vector<ll> sizes;
ll root(ll a){
if(par[a]==a){
return a;
}else{
return par[a]=root(par[a]);
}
}
ll size(ll a){
return sizes[root(a)];
}
bool same(ll a, ll b){
if(root(a)==root(b)){
return true;
}else{
return false;
}
}
};
class modint998244353{
public:
ll m = 998244353;
ll value;
modint998244353(ll a){
value = (a+m*10)%m;
}
modint998244353 operator*(modint998244353 b){
return modint998244353((this->value*b.value+m)%m);
}
modint998244353 pow(ll b){
if(b==1){
return *this;
}else if(b==0){
return 1;
}
if(b%2==1){
return pow(b-1)**this;
}else{
modint998244353 co = pow(b/2);
return co*co;
}
}
modint998244353 operator/(modint998244353 b){
if(b.value==1){
return *this;
}
return *this*b.pow(m-2);
}
modint998244353 operator+(modint998244353 b){
return this->value+b.value;
}
modint998244353 operator-(modint998244353 b){
return this->value-b.value;
}
};
class modint1000000007{
public:
ll m = 998244353;
ll value;
modint1000000007(ll a){
value = (a+m*10)%m;
}
modint1000000007 operator*(modint1000000007 b){
return modint1000000007((this->value*b.value+m)%m);
}
modint1000000007 pow(ll b){
if(b==1){
return *this;
}else if(b==0){
return 1;
}
if(b%2==1){
return pow(b-1)**this;
}else{
modint1000000007 co = pow(b/2);
return co*co;
}
}
modint1000000007 operator/(modint1000000007 b){
if(b.value==1){
return *this;
}
return *this*b.pow(m-2);
}
modint1000000007 operator+(modint1000000007 b){
return this->value+b.value;
}
modint1000000007 operator-(modint1000000007 b){
return this->value-b.value;
}
};
//
class scc_graph{
public:
ll ns;//size
scc_graph(ll n){
ns=n;
vector<vector<ll>> vn(ns);
v = vn;
rv = vn;
}
void add_edge(int s, int t){
assert(0<=s);
assert(s<ns);
assert(0<=t);
assert(t<ns);
v[s].push_back(t);
rv[t].push_back(s);
}
vector<vector<ll>> scc(){
dfsVec.resize(0);
checked.assign(ns,false);
for(ll i = 0; i < ns; ++i){
dfs(i);
}
vector<vector<ll>> ans;
ll m = dfsVec.size();
checked.assign(ns,false);
for(ll i = m-1; i>=0; --i){
ll el = dfsVec[i];
rdfsVec.resize(0);
if(checked[el]){
continue;
}
rdfs(el);
ans.push_back(rdfsVec);
}
return ans;
}
protected:
vector<ll> dfsVec;
vector<ll> rdfsVec;
void dfs(ll i){
if(checked[i]){
return;
}
checked[i]=true;
auto elist = v[i];
for(ll j = 0; j < elist.size(); ++j){
dfs(elist[j]);
}
dfsVec.push_back(i);
}
void rdfs(ll i){
if(checked[i]){
return;
}
checked[i]=true;
auto elist = rv[i];
for(ll j = 0; j < elist.size(); ++j){
rdfs(elist[j]);
}
rdfsVec.push_back(i);
}
vector<bool> checked;
vector<vector<ll>> v;
vector<vector<ll>> rv;
};
//
template<class S>
class segtree{
public:
segtree(S n, function<S(S,S)> op, function<S()> e){
this->op=op;
this->e=e;
ns = n;
S default_val = e();
val_con.assign(ns*2,default_val);
}
void set(ll p, S x){
ll idx = p + ns;
val_con[idx]=x;
while(idx>0){
idx = ((idx+1)/2)-1;
ll l = (idx+1)*2-1;
ll r = (idx+1)*2;
val_con[idx]=op(val_con[l],val_con[r]);
}
val_con[0]=op(val_con[1],val_con[2]);
}
S get(ll p){
ll idx = p + ns;
return val_con[idx];
}
S prod(ll l, ll r){
ll idx = l;
S ans = e();
while(idx<r){
ll size = 1;
ll raw_idx = idx+ns;
while(idx+size*2-1<r&&raw_idx>0&&(raw_idx+1)%2==0){
size*=2;
raw_idx=((raw_idx+1)/2-1);
}
ans = op(ans,val_con[raw_idx]);
idx+=size;
}
return ans;
}
protected:
ll ns;
vector<S> val_con;
function<S(S,S)> op;
function<S()> e;
};
//2UnionFind
class squf:cell::uf{
public:
squf(ll n):cell::uf(n*n){
sz=n;
}
void merge(ll a1, ll a2, ll b1, ll b2){
cell::uf::merge(a1*sz+a2,b1*sz+b2);
}
bool same(ll a1, ll a2, ll b1, ll b2){
return cell::uf::same(a1*sz+a2,b1*sz+b2);
}
protected:
ll sz;
};
//()
class sp_graph{
public:
sp_graph(ll n){
ns = n;
w.assign(n,inf);
seen.assign(n,false);
calculated=false;
vector<pair<ll,ll>> b;
seen_cnt=0;
edges.assign(n,b);
queued.assign(n,false);
sources.resize(0);
}
void add_edge(ll a, ll b, ll cost){
assert(0<=a&&a<ns);
assert(0<=b&&b<ns);
assert(0<=cost);
edges[a].push_back(make_pair(b,cost));
}
void set_seen(ll n){
seen[n]=true;
}
void set_seen(function<bool(ll)> if_set){
for(ll i = 0; i < ns; ++i){
if(if_set(i)){
set_seen(i);
}
}
}
void set_seen(function<bool(ll,void*)> if_set, void* ptr){
for(ll i = 0; i < ns; ++i){
if(if_set(i, ptr)){
set_seen(i);
}
}
}
//LLONG_MAX
ll sp(ll a, ll b){
assert(0<=a&&a<ns);
assert(0<=b&&b<ns);
if(calculated&&start_node==a){
return w[b];
}
reset();
start_node=a;
end_node=b;
calculated=true;
//bfs
vector<bool> bfs_reachable(ns,false);
bfs(edges,bfs_reachable,a);
ll reachables = 0;
for(ll i = 0; i < ns; ++i){
if(bfs_reachable[i]){
reachables++;
}
}
//bfs
queued_cost.assign(ns,LLONG_MAX);
sources.assign(ns,-1);
priority_queue<pair<ll,ll>,vector<pair<ll,ll>>, greater<pair<ll,ll>>> pq;//pair<score,index>
priority_queue<pair<ll,ll>,vector<pair<ll,ll>>, greater<pair<ll,ll>>> dets;//pair<score,index>
pq.push(make_pair(0,a));
dets.push(make_pair(0,-1));
while(!pq.empty()){
auto f = pq.top();
auto source = dets.top().second;
pq.pop();
dets.pop();
ll score = f.first;
ll idx = f.second;
if(seen[idx]){
continue;
}
seen[idx]=true;
sources[idx]=source;
w[idx]=score;
seen_cnt++;
if(seen_cnt==reachables){
break;
}
auto list = edges[idx];
for(ll i = 0; i < list.size();++i){
ll d = list[i].first;
ll edge_cost = list[i].second;
if(seen[d]){
continue;
}
queued[d]=true;
if(score+edge_cost<queued_cost[d]){
queued_cost[d]=score+edge_cost;
pq.push(make_pair(score+edge_cost,d));
dets.push(make_pair(score+edge_cost,idx));
}
}
}
return w[b];
}
vector<ll> path(){
assert(calculated);
vector<ll> rans(0);
ll b = end_node;
ll a = start_node;
while(true){
if(b==-1){
return vector<ll>(0);
}else if(a==b){
rans.push_back(b);
break;
}else{
rans.push_back(b);
b=sources[b];
}
}
vector<ll> ans(rans.size());
for(ll i = 0; i < rans.size(); ++i){
ans[i]=rans[rans.size()-i-1];
}
assert(ans[0]==start_node);
return ans;
}
vector<ll> get_sources(){
return sources;
}
protected:
void reset(){
calculated=false;
seen.assign(ns,false);
w.assign(ns,inf);
seen_cnt=0;
queued.assign(ns,false);
}
void bfs(vector<vector<pair<ll,ll>>>& edges, vector<bool>& bfs_reachable, ll a){
assert(0<=a&&a<=ns);
if(bfs_reachable[a]){
return;
}
bfs_reachable[a]=true;
for(ll i = 0; i < edges[a].size(); ++i){
bfs(edges,bfs_reachable,edges[a][i].first);
}
return;
}
const ll inf=LLONG_MAX;
ll ns;
vector<ll> w;
vector<bool> seen;
vector<bool> queued;
vector<ll> queued_cost;
ll seen_cnt;
ll start_node;
ll end_node;
vector<vector<pair<ll,ll>>> edges;
bool calculated;
vector<ll> sources;
};
class grid_sp:cell::sp_graph{
public:
grid_sp(ll r, ll c):cell::sp_graph(r*c){
rs=r;
cs=c;
}
void add_edge(ll x1, ll y1, ll x2, ll y2, ll cost){
cell::sp_graph::add_edge(x1*cs+y1,x2*cs+y2,cost);
return;
}
void set_seen(ll x, ll y){
cell::sp_graph::set_seen(x*cs+y);
return;
}
void set_seen(function<bool(ll,ll)> if_set){
for(ll i = 0; i < rs; ++i){
for(ll j = 0; j < cs; ++j){
if(if_set(i,j)){
set_seen(i,j);
}
}
}
}
void set_seen(function<bool(ll,ll, void*)> if_set, void* ptr){
for(ll i = 0; i < rs; ++i){
for(ll j = 0; j < cs; ++j){
if(if_set(i,j,ptr)){
set_seen(i,j);
}
}
}
}
ll sp(ll x1, ll y1, ll x2, ll y2){
ll a = x1*cs+y1;
ll b = x2*cs+y2;
return cell::sp_graph::sp(a,b);
}
protected:
ll rs;
ll cs;
};
}
struct grid_ex_sp{
ll h,w,p;
char* grid;
ll size;
grid_ex_sp(ll H, ll W, ll P, char* GRID){
grid = GRID;
h = H;
w = W;
p = P;
calc=false;
size = h*w*p;
}
bool calc;
void sp(ll r,ll c, ll re, ll ce){
scores.assign(size,LLONG_MAX);
priority_queue<pair<ll,ll>,vector<pair<ll,ll>>, greater<pair<ll,ll>>> pq;
for(ll i = 0; i < p; ++i){
pq.emplace(0,idx(r,c,i));
}
while(!pq.empty()){
auto tp = pq.top();
ll score = tp.first;
ll curr = tp.second;
pq.pop();
ll cur_r,cur_c,cur_p;
tie(cur_r,cur_c,cur_p)=locs(curr);
}
}
vector<ll> scores;
ll idx(ll r, ll c, ll pat){
return r*w+c+h*w*pat;
}
ll up(ll idx){
if(idx==-1){
return -1;
}
auto loc = locs(idx);
if(get<0>(loc)>0){
return idx-w;
}
return -1;
}
ll down(ll idx){
if(idx==-1){
return -1;
}
auto loc = locs(idx);
if(get<0>(loc)<h-1){
return idx+w;
}
return -1;
}
ll left(ll idx){
if(idx==-1){
return -1;
}
auto loc = locs(idx);
if(get<1>(loc)>0){
return idx-1;
}
return -1;
}
ll right(ll idx){
if(idx==-1){
return -1;
}
auto loc = locs(idx);
if(get<1>(loc)<w-1){
return idx+1;
}
return -1;
}
tuple<ll,ll,ll> locs(ll idx){
return make_tuple(idx%(h*w)/w,idx%w,idx/h*w);
}
bool valid(ll r,ll c, ll pat){
if(0<=r&&r<h&&0<=c&&c<w&&0<pat&&pat<p){
return true;
}
return false;
}
};
//using bint = boost::multiprecision::cpp_int;
int main(){
ll t;
cin >> t;
for(ll i = 0 ;i < t; ++i){
ll n,m,k;
cin >> n >> m >> k;
if(m-n<=k%m){
cout << 0 <<endl;
} else if(m-n==1){
cout << 0 << endl;
}else{
cout << k%m << endl;
}
}
}
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