結果

問題 No.2640 traO Stamps
ユーザー igeee
提出日時 2024-02-19 23:03:30
言語 C++17
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 212 ms / 2,000 ms
コード長 5,233 bytes
コンパイル時間 4,421 ms
コンパイル使用メモリ 262,596 KB
最終ジャッジ日時 2025-02-19 17:33:57
ジャッジサーバーID
(参考情報)
judge2 / judge4
このコードへのチャレンジ
(要ログイン)
ファイルパターン 結果
sample AC * 1
other AC * 33
権限があれば一括ダウンロードができます

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
#define rrep(i,start,end) for (long long i = start;i >= (long long)(end);i--)
#define repn(i,end) for(long long i = 0; i <= (long long)(end); i++)
#define reps(i,start,end) for(long long i = start; i < (long long)(end); i++)
#define repsn(i,start,end) for(long long i = start; i <= (long long)(end); i++)
#define each(p,a) for(auto &p:a)
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<long long> vll;
typedef vector<pair<long long ,long long>> vpll;
typedef vector<vector<long long>> vvll;
typedef set<ll> sll;
typedef map<long long , long long> mpll;
typedef pair<long long ,long long> pll;
typedef tuple<long long , long long , long long> tpl3;
#define LL(...) ll __VA_ARGS__; input(__VA_ARGS__)
#define LD(...) ld __VA_ARGS__; input(__VA_ARGS__)
#define Str(...) string __VA_ARGS__; input(__VA_ARGS__)
#define Ch(...) char __VA_ARGS__; input(__VA_ARGS__)
#define all(a) (a).begin(),(a).end()
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );
// << std::fixed << std::setprecision(10)
const ll INF = 1LL << 60;
const ld EPS = 1e-9;
inline ll lfloor(ll x,ll m){return (x - ((x % m+ m)%m))/m;}
inline ll positive_mod(ll a,ll m){return (a % m + m)%m;}
inline ll popcnt(ull a){ return __builtin_popcountll(a);}
template<class T> bool chmin(T& a, T b){if(a > b){a = b;return true;}return false;}
template<class T> bool chmax(T& a, T b){if(a < b){a = b;return true;}return false;}
template<typename T>
std::istream &operator>>(std::istream&is,std::vector<T>&v){for(T &in:v){is>>in;}return is;}
template<typename T>
std::ostream &operator<<(std::ostream&os,const std::vector<T>&v){for(auto it=std::begin(v);it!=std::end(v);){os<<*it<<((++it)!=std::end(v)?" ":""
    );}return os;}
template<class... T>void input(T&... a){(cin >> ... >> a);}
void print(){cout << endl;}
template<class T, class... Ts>void print(const T& a, const Ts&... b){cout << a;((cout << ' ' << b), ...);cout << endl;}
template<class T> void pspace(const T& a){ cout << a << ' ';}
void perr(){cerr << endl;}
template<class T, class... Ts>void perr(const T& a, const Ts&... b){cerr << a;((cerr << ' ' << b), ...);cerr << endl;}
void yes(bool i = true){ return print(i?"yes":"no"); }
void Yes(bool i = true){ return print(i?"Yes":"No"); }
void YES(bool i = true){ return print(i?"YES":"NO"); }
//grid
vector<ll> _ta = {0,0,1,-1,1,1,-1,-1};
vector<ll> _yo = {1,-1,0,0,1,-1,1,-1};
bool isin(ll now_i,ll now_j,ll h,ll w){return (0<=now_i && now_i < h && 0 <= now_j && now_j < w);}
ll lpow(ll x,ll n){ll ans = 1;while(n >0){if(n & 1)ans *= x;x *= x;n >>= 1;}return ans;}
ll Modlpow(ll x,ll n,ll m){ll ans = 1;ll a = x%m;while(n >0){if(n & 1){ans *= a;ans%= m;}a *= a;a %= m;n >>= 1;}return ans;}
const ll MOD9 = 998244353LL;
const ll MOD10 = 1000000007LL;
class RSQ{
public:
vector<ll> tree;
ll siz = 0;
RSQ(ll n){
ll i = 0;
while((1 << i) < n ){
i++;
}
tree.resize(1<<(i+1));
siz = 1 << i;
}
void init(ll n){
ll i = 0;
while((1 << i) < n ){
i++;
}
tree.resize(1<<(i+1));
siz = 1 << i;
}
void update(ll pos, ll x){
pos = pos + siz-1;
tree[pos] = x;
while(pos >= 1){
pos = (pos-1)/2;
tree[pos] = tree[2 * pos +1]+tree[2 * (pos+1)];
}
}
//[l,r) a = 0,b = (SegmentTree).siz, p = 0
ll _query(ll l, ll r, ll a, ll b, ll p){
if(r <= a or l >= b){
return 0;
}
if(l <= a and b <= r){
return tree[p];
}
ll m = (a + b)/2;
ll ansl = _query(l,r,a,m,2 * p+1);
ll ansr = _query(l,r,m,b,2 * (p+1));
return ansl + ansr;
}
ll query(ll l ,ll r){
return _query(l,r,0,siz,0);
}
ll operator[](ll pos){
return tree[pos + siz -1];
}
};
using P = pair<ll,ll>;
void Dijkstra(vector<ll> &dis,vector<vector<pair<ll,ll>>> &G,ll s){
// G[i]<j,d> i->j (d)
// ,
priority_queue<P,vector<P>,greater<P>>pq;
dis[s] = 0;
pq.push({dis[s],s});
while(!pq.empty()){
auto [len,now] = pq.top();
pq.pop();
if(dis[now]< len){
continue;
}
for(auto &p:G[now]){
//
auto [next,cost] = p;
if(dis[next] > dis[now] + cost){
dis[next] = dis[now] + cost;
pq.push({dis[next],next});
}
}
}
}
int main(){
ios::sync_with_stdio(false);cin.tie(nullptr);
LL(n,m,k);
k++;
vll s(k);
cin >> s;
rep(i,k){
s[i]--;
}
vector<vpll> g(n);
rep(i,m){
LL(a,b,c);
a--;b--;
g[a].push_back({b,c});
g[b].push_back({a,c});
}
vvll dist(n,vll(n,INF));
rep(i,n){
Dijkstra(dist[i],g,i);
}
RSQ seg(k);//seg[i] = i -> i+1
rep(i,k-1){
seg.update(i,dist[s[i]][s[i+1]]);
}
LL(q);
rep(z,q){
LL(t,x,y);
if(t == 1){
y--;
s[x] = y;
if(x != k-1){
seg.update(x,dist[s[x]][s[x+1]]);
}
if(x != 0){
seg.update(x-1,dist[s[x-1]][s[x]]);
}
}else{
// x--;y--;
cout << seg.query(x,y) << endl;;
}
}
}
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