結果

問題 No.448 ゆきこーだーの雨と雪 (3)
ユーザー nola_suz
提出日時 2016-11-18 23:14:03
言語 C++11(廃止可能性あり)
(gcc 13.3.0)
結果
AC  
実行時間 214 ms / 2,000 ms
コード長 5,191 bytes
コンパイル時間 1,030 ms
コンパイル使用メモリ 112,844 KB
実行使用メモリ 16,316 KB
最終ジャッジ日時 2024-06-11 19:30:38
合計ジャッジ時間 5,963 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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 * 4
other AC * 35
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 <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <set>
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <cstdio>
#include <cstring>
#include <iterator>
#include <bitset>
#include <unordered_set>
#include <unordered_map>
#include <fstream>
#include <iomanip>
#include <cassert>
//#include <utility>
//#include <memory>
//#include <functional>
//#include <deque>
//#include <cctype>
//#include <ctime>
//#include <numeric>
//#include <list>
//#include <iomanip>
//#if __cplusplus >= 201103L
//#include <array>
//#include <tuple>
//#include <initializer_list>
//#include <forward_list>
//
//#define cauto const auto&
//#else
//#endif
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef vector<int> vint;
typedef vector<vector<int> > vvint;
typedef vector<long long> vll, vLL;
typedef vector<vector<long long> > vvll, vvLL;
#define VV(T) vector<vector< T > >
template <class T>
void initvv(vector<vector<T> > &v, int a, int b, const T &t = T()){
v.assign(a, vector<T>(b, t));
}
template <class F, class T>
void convert(const F &f, T &t){
stringstream ss;
ss << f;
ss >> t;
}
#undef _P
#define _P(...) (void)printf(__VA_ARGS__)
#define reep(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) reep((i),0,(n))
#define ALL(v) (v).begin(),(v).end()
#define PB push_back
#define F first
#define S second
#define mkp make_pair
#define RALL(v) (v).rbegin(),(v).rend()
#define DEBUG
#ifdef DEBUG
#define dump(x) cout << #x << " = " << (x) << endl;
#define debug(x) cout << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#else
#define dump(x)
#define debug(x)
#endif
#define MOD 1000000007LL
#define EPS 1e-8
#define INF 0x3f3f3f3f
#define INFL 0x3f3f3f3f3f3f3f3fLL
#define maxs(x,y) x=max(x,y)
#define mins(x,y) x=min(x,y)
template<typename T>
class range_minimum_query{
public:
std::vector<T> data;
std::vector<std::vector<int> > block;
std::vector<int> sblock;
std::vector<int> lookup;
int N;
int lg;
int min(int a,int b){
return data[b]<data[a]?b:a;
}
range_minimum_query(){}
range_minimum_query(std::vector<T> &t){
data=t;
N=data.size();
lg=32-__builtin_clz(N);
block.assign((N+lg-1)/lg,std::vector<int>(lg,0));
for(int i=0;i<N;i++){
if(i%lg==0)
block[i/lg][0]=i;
block[i/lg][0]=min(i,block[i/lg][0]);
}
for(int j=1;j<lg;j++)
for(int i=0;i<block.size();i++)
block[i][j]=min(block[i][j-1],block[i+(i+(1<<(j-1))<block.size()?(1<<(j-1)):0)][j-1]);
sblock.assign(N,0);
std::vector<int> st;
for(int i=0;i<block.size();i++){
st.clear();
for(int j=i*lg;j<N&&j<i*lg+lg;j++){
while(!st.empty()&&data[j]<data[st.back()])
st.pop_back();
sblock[j]=1<<(i*lg+lg-j-1);
if(!st.empty())
sblock[j]|=sblock[st.back()];
st.push_back(j);
}
}
lookup.assign(1<<lg,0);
for(int i=1,ans=lg-1;i<(1<<lg);i++){
if(1<<(lg-ans)<=i)
ans--;
lookup[i]=ans;
}
}
T q(int l,int r){
if(r<l)
swap(l,r);
int l1=l/lg+1;
int r1=r/lg-1;
int ans=l;
int t;
if(l1<=r1){
t=lg-lookup[r1-l1+1]-1;
ans=min(ans,min(block[l1][t],block[r1-(1<<t)+1][t]));
}
t=l1*lg-1<r?l1*lg-1:r;
ans=min(ans,lookup[sblock[t]&(~(((1<<(l-(l1*lg-lg)))-1)<<(l1*lg-l)))]+l1*lg-lg);
t=r;
l=l>r1*lg+lg?l:r1*lg+lg;
ans=min(ans,lookup[sblock[t]&(~(((1<<(l-(r1*lg+lg)))-1)<<(r1*lg+(lg<<1)-l)))]+r1*lg+lg);
return data[ans];
}
};
vector<pll> v;
ll K;
int n;
vll sum;
vint nex;
ll loss(int a, int b){
if(a>b) return 0;
ll ret = sum[b];
if(a-1>=0) ret -= sum[a-1];
return ret;
}
ll calc(ll m, range_minimum_query<ll> &rmq){
vll dp(n+1,INFL);
dp[0] = 0;
rep(i,n){
if(v[i].S>m){
if(i+1>nex[i]-1 || -rmq.q(i+1, nex[i]-1) <= m) mins(dp[nex[i]], dp[i]+loss(i+1,nex[i]-1));
}
else{
mins(dp[i+1], dp[i]+v[i].S);
if(i+1>nex[i]-1 || -rmq.q(i+1, nex[i]-1) <= m) mins(dp[nex[i]], dp[i]+loss(i+1,nex[i]-1));
}
}
if(dp[n] == INFL){
return -1;
}
return dp[n];
}
void mainmain(){
cin>>n;
cin>>K;
v=vector<pll>(n);
sum = vll(n);
nex = vint(n);
vll tmp(n);
rep(i,n) cin>>v[i].F>>v[i].S,tmp[i]=-v[i].S;
range_minimum_query<ll> rmq(tmp);
rep(i,n){
if(!i) sum[i] = v[i].S;
else{
sum[i] = sum[i-1]+v[i].S;
}
}
int p = 0;
rep(i,n){
while(p<n&&v[p].F<v[i].F+K){
p++;
}
nex[i]=p;
}
ll l = -1;
ll r = INT_MAX;
ll ans = INFL;
while(r-l>1){
ll mid = (l+r)/2;
ll t = calc(mid, rmq);
if(t<0){
l = mid;
}
else{
r = mid;
ans = t;
}
}
cout<<r<<endl;
cout<<ans<<endl;
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout<<fixed<<setprecision(20);
mainmain();
}
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