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Submission #519640

# Submission time Handle Problem Language Result Execution time Memory
519640 2022-01-26T21:10:07 Z sofapuden Sails (IOI07_sails) C++14
70 / 100
 1000 ms 2012 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;
    vector<int> S;
    S.push_back(1);
    sort(v.begin(),v.end());
    for(int i = 0; i < n; ++i){
        int z = v[i].second;
        int mx = v[i].first;
        int in = 0;
        while(z){
            int am = min(z,mx-S[in]+1);
            z-=am;
            mx = S[in]-1;
            S[in] += am;
            in++;
        }
        if(S.back() != 1)S.push_back(1);
    }
    long long ans = 0;
    for(int i = 0; i < S.size(); ++i){
        ans += 1ll * i * (S[i]-1);
    }
    cout << ans << '\n';
}

Compilation message

sails.cpp: In function 'int main()':
sails.cpp:28:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i = 0; i < S.size(); ++i){
      |                    ~~^~~~~~~~~~

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 1 ms 204 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 304 KB Output is correct
2 Correct 1 ms 204 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 332 KB Output is correct
2 Correct 1 ms 324 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 460 KB Output is correct
2 Correct 471 ms 1080 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 640 ms 1064 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 540 ms 1280 KB Output is correct

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1091 ms 1688 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 1090 ms 2012 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 1083 ms 1856 KB Time limit exceeded
2 Halted 0 ms 0 KB -