제출 #494923

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
494923	2021-12-17 13:58:04	uncripted	Fountain (eJOI20_fountain)	C++11	30 / 100	529 ms	35352 KiB

fountain

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//unfin
#include<bits/stdc++.h>
#define s second
#define f first
using namespace std;
pair<long long,long long> go[100005][20];
long long par[100005];
long long d[100005];
long long c[100005];
int main(){
long long n,q;
cin>>n>>q;
for(long long i=1; i<=n; i++){
cin>>d[i];
cin>>c[i];
}
d[n+1]=INT_MAX;
d[0]=INT_MAX;
stack<long long> s;
s.push(n+1);
for(long long i=n; i>=1; i--){
  while(d[i]>=d[s.top()]){
    s.pop();
  }
  go[i][0].s=s.top();
  par[s.top()]=i;
  go[i][0].f=c[i];
  s.push(i);
 
 
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• Subtask 1: 0 / 30
• Subtask 2: 30 / 30
• Subtask 3: 0 / 40