Submission #837462

#	Time	Username	Problem	Language	Result	Execution time	Memory
837462		Andrey	Sails (IOI07_sails)	C++14	30 / 100	1088 ms	2544 KiB

sails

#include<bits/stdc++.h>
using namespace std;

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    long long n,a,b,ans = 0;
    cin >> n;
    vector<pair<int,int>> haha(0);
    vector<int> yay(0);
    for(int i = 0; i < n; i++) {
        cin >> a >> b;
        haha.push_back({a,b});
    }
    sort(haha.begin(),haha.end());
    for(int i = 0; i < n; i++) {
        a = haha[i].first;
        b = haha[i].second;
        while(yay.size() < a) {
            yay.push_back(0);
        }
        sort(yay.begin(),yay.end());
        for(int j = 0; j < b; j++) {
            ans+=yay[j];
            yay[j]++;
        }
    }
    cout << ans;
    return 0;
}

Compilation message (stderr)

sails.cpp: In function 'int main()':
sails.cpp:21:26: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   21 |         while(yay.size() < a) {
      |               ~~~~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10