Submission #213055

#	Time	Username	Problem	Language	Result	Execution time	Memory
213055		tatyam	Sails (IOI07_sails)	C++17	100 / 100	131 ms	5624 KiB

sails

#include <bits/stdc++.h>
using namespace std;
#define each(i,a) for(auto&& i : a)
 
int main(){
    int n;
    cin >> n;
    vector<pair<int, int>> a(n);
    each(i, a) cin >> i.first >> i.second;
    sort(a.begin(), a.end());
    multiset<int> X;
    X.insert(0);
    each(i, a){
        auto [h, k] = i;
        X.insert(h);
        auto p = X.upper_bound(h - k), q = prev(p);
        int next = *q + *p - h + k;
        if(q != X.begin()) X.erase(q);
        X.insert(next);
        X.erase(p);
    }
    long ans = 0, cnt = 0;
    for(auto p = X.end(); p-- != X.begin(); cnt++) ans += cnt * *p;
    cout << ans << endl;
}

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