Submission #1294404

#	Time	Username	Problem	Language	Result	Execution time	Memory
1294404		BlockOG	Sails (IOI07_sails)	C++20	40 / 100	1097 ms	1544 KiB

sails

#include <bits/stdc++.h>

// meeeooowwwww mrrowwww :3
// go play vivid/stasis!! now!!!! https://vividstasis.gay

#define fo(i, a, b) for (auto i = (a); i < (b); i++)
#define of(i, a, b) for (auto i = (b); i-- > (a);)
#define f first
#define s second
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define be(a) a.begin(), a.end()
using namespace std;

int ____init = []{
    ios::sync_with_stdio(false);
    cin.tie(NULL), cout.tie(NULL);
    return 0;
}();

int main() {
    int n; cin >> n;
    vector<pair<int, int>> v(n); fo(i, 0, n) cin >> v[i].f >> v[i].s;
    sort(be(v));

    map<int, int> cnts;
    int prev = 0;
    for (auto [i, j] : v) {
        cnts[0] += i - prev;
        prev = i;
        
        map<int, int> ncnts;
        for (auto [k, l] : cnts) {
            int m = min(l, j); j -= m;
            if (l - m) ncnts[k] += l - m;
            if (m) ncnts[k + 1] += m;
        }

        cnts = ncnts;
    }

    long long res = 0;
    for (auto [i, j] : cnts) res += (long long)j * i * (i - 1) / 2;
    cout << res;
}

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 5 / 5
• Subtask 5: 10 / 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