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Submission #776161

# Submission time Handle Problem Language Result Execution time Memory
776161 2023-07-07T10:58:48 Z Ahmed57 Sails (IOI07_sails) C++17
25 / 100
 1000 ms 4632 KB 
#include <bits/stdc++.h>

using namespace std;

int main(){
    int n;
    cin>>n;
    vector<int> v[100001];
    for(int i = 0;i<n;i++){
        int a,b;cin>>a>>b;
        v[a].push_back(b);
    }
    long long l = 1 , r = 100000 , ans = -1;
    while(l<=r){
        int mid = (l+r)/2;
        multiset<int> s;
        long long all = 0;
        priority_queue<int> ve;
        for(int i = 100000;i>=1;i--){
            for(auto j:v[i]){
                ve.push(j);
            }
            long long sz = min(int(ve.size()),mid);
            all+=(sz*(sz-1))/2;
            vector<int> xd;
            while(sz--){
                xd.push_back(ve.top()-1);
                ve.pop();
            }
            for(auto j:xd){if(j)ve.push(j);}
        }
        if(ve.empty()){
            ans = all;
            r = mid-1;
        }else{
            l = mid+1;
        }
    }
    cout<<ans<<endl;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2516 KB Output is correct
2 Correct 6 ms 2644 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2516 KB Output is correct
2 Correct 6 ms 2516 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2516 KB Output is correct
2 Correct 5 ms 2516 KB Output is correct

Subtask #4
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 13 ms 2644 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1065 ms 2684 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1083 ms 2836 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 1078 ms 3668 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 1046 ms 3684 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 3584 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 1078 ms 4632 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 1080 ms 4600 KB Time limit exceeded
2 Halted 0 ms 0 KB -