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Submission #519637

# Submission time Handle Problem Language Result Execution time Memory
519637 2022-01-26T20:51:31 Z sofapuden Sails (IOI07_sails) C++14
40 / 100
 1000 ms 1348 KB 
#include<bits/stdc++.h>

using namespace std;

int main()
{
  ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int n; cin >> n;
    vector<pair<int,int>> v(n);
    for(auto &x : v)cin >> x.first >> x.second;
    set<pair<int,int>> S;
    S.insert({1,-1});
    sort(v.begin(),v.end());
    int cn = -2;
    for(int i = 0; i < n; ++i){
        int z = v[i].second;
        int mx = v[i].first;
        auto it = prev(S.end());
        vector<pair<int,int>> del, add;
        bool ok = 0;
        while(z){
            if((*it).first == 1)ok = 1;
            del.push_back(*it);
            int am = min(z,mx-(*it).first+1);
            z-=am;
            add.push_back({(*it).first+am,(*it).second});
            mx = (*it).first-1;
            it = prev(it);
        }
        for(auto x : del)S.erase(x);
        for(auto x : add)S.insert(x);
        if(ok){
            S.insert({1,cn--});
        }
    }
    long long ans = 0;
    for(auto x : S){
        ans += -1ll * (x.first-1) * (x.second+1);
    }
    cout << ans << '\n';
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 16 ms 336 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 142 ms 376 KB Output is correct
2 Correct 2 ms 320 KB Output is correct

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1078 ms 540 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1094 ms 896 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1082 ms 992 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1068 ms 1104 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1083 ms 1348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1081 ms 1276 KB Time limit exceeded
2 Halted 0 ms 0 KB -