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Submission #282679

# Submission time Handle Problem Language Result Execution time Memory
282679 2020-08-24T17:53:17 Z medmdg Arranging Shoes (IOI19_shoes) C++14
10 / 100
 1 ms 256 KB 
#include <bits/stdc++.h>

using namespace std;
long long count_swaps(std::vector<int> S){
    int ans=0;
    int count=0;
    while(S.size()){
        if(S[0]>0)
            count ++;
        for(long long int i=1;i<S.size();i++){
            if(S[i]==-1*S[0]){
                count += i-1;
                S.erase(S.begin()+i);
                S.erase(S.begin());
                break;
            }
        }
        ans+=count;
    }
    return ans;
}

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:10:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   10 |         for(long long int i=1;i<S.size();i++){
      |                               ~^~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 1 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Incorrect 0 ms 256 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #5
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #6
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 256 KB Output is correct
2 Correct 0 ms 256 KB Output is correct
3 Incorrect 0 ms 256 KB Output isn't correct
4 Halted 0 ms 0 KB -