#pragma GCC optimize("Ofast,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#include <bits/stdc++.h>
using namespace std;
#define int long long
int n, q, jump[100005][20], h2o[100005][20];
signed main(){
ios_base::sync_with_stdio(false); cin.tie(nullptr);
cin >> n >> q;
priority_queue<pair<int, int>, vector<pair<int, int> >, greater<pair<int, int> > > pq;
for(int i = 1; i <= n; i++){
int d; cin >> d >> h2o[i][0];
while(!pq.empty() && pq.top().ff < d){
jump[pq.top().ss][0] = i;
pq.pop();
}
pq.push({d, i});
}
while(!pq.empty()){
jump[pq.top().ss][0] = 0;
pq.pop();
}
jump[0][0] = 0; h2o[0][0] = 0;
for(int j = 1; j < 20; j++)
for(int i = 0; i <= n; i++){
jump[i][j] = jump[jump[i][j - 1]][j - 1];
h2o[i][j] = h2o[i][j - 1] + h2o[jump[i][j - 1]][j - 1];
}
while(q--){
int r, v; cin >> r >> v;
for(int i = 19; i >= 0; i++){
if(h2o[r][i] > v) continue;
v -= h2o[r][i];
r = jump[r][i];
}
cout << r << '\n';
}
}
Compilation message
fountain.cpp: In function 'int main()':
fountain.cpp:15:35: error: 'const value_type' {aka 'const struct std::pair<long long int, long long int>'} has no member named 'ff'
15 | while(!pq.empty() && pq.top().ff < d){
| ^~
fountain.cpp:16:21: error: 'const value_type' {aka 'const struct std::pair<long long int, long long int>'} has no member named 'ss'
16 | jump[pq.top().ss][0] = i;
| ^~
fountain.cpp:22:19: error: 'const value_type' {aka 'const struct std::pair<long long int, long long int>'} has no member named 'ss'
22 | jump[pq.top().ss][0] = 0;
| ^~
