Submission #1305274

#	Time	Username	Problem	Language	Result	Execution time	Memory
1305274		bronze_coder	Sails (IOI07_sails)	C++20	40 / 100	1097 ms	1464 KiB

sails

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

int main(){
    int n;
    cin >> n;
    vector<long long> a;
    for(int i=0;i<n;i++){
        int h,k;
        cin >> h >> k;
        while(a.size()<h){
            a.push_back(0);
        }
        for(int i=0;i<k;i++){
            a[h-1-i]++;
        }
    }

    while(true){
        int z = 0;
        for(int i=0;i<a.size()-1;i++){
            if(a[i]<a[i+1]){
                long long x = a[i]+a[i+1];
                a[i+1] = x/2;
                a[i] = x-x/2;
                z = 1;
                break;
            }
        }
        if(z==0){
            break;
        }
    }
    long long ans = 0;
    for(int i:a){
        ans += i*(i-1)/2;
    }
    cout << ans << endl;
}

• 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: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10
• Subtask 11: 0 / 10