| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 119065 | oolimry | Teams (IOI15_teams) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "teams.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;
int n;
ii arr[1000005];
void init(int N, int A[], int B[]) {
n = N;
for(int i = 0;i < n;i++){
arr[i] = {A[i],B[i]};
}
sort(arr,arr+n);
}
int can(int M, int K[]) {
int m = M;
int s = 0;
for(int i = 0;i < m;i++) s += K[i];
if(s > n) return 0;
int tasks[s];
int cnt = 0;
for(int i = 0;i < m;i++){
for(int j = 0;j < K[i];j++){
tasks[cnt] = K[i];
cnt++;
}
}
sort(tasks,tasks+s);
priority_queue<int, vector<int>, greater<int> > stuff;
int index = 0;
for(int i = 0;i < s;i++){
while(index < n && arr[index].first <= tasks[i]){
stuff.push(arr[index].second);
index++;
}
while(true){
if(stuff.empty()){
return 0;
}
if(stuff.top() < tasks[i]){
stuff.pop();
}
else{
stuff.pop();
break;
}
}
//cout << stuff.size() << "\n";
}
return 1;
}
int main() {
freopen("i.txt","r",stdin);
int N;
cin >> N;
int *A = (int*)malloc(sizeof(int)*(unsigned int)N);
int *B = (int*)malloc(sizeof(int)*(unsigned int)N);
for (int i = 0; i < N; ++i) {
cin >> A[i] >> B[i];
}
init(N, A, B);
int Q;
cin >> Q;
for (int i = 0; i < Q; ++i) {
int M;
cin >> M;
int *K = (int*)malloc(sizeof(int)*(unsigned int)M);
for (int j = 0; j < M; ++j) {
cin >> K[j];
}
cout << can(M,K) << "\n";
}
return 0;
}
