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Submission #71659

# Submission time Handle Problem Language Result Execution time Memory
71659 2018-08-25T10:16:47 Z team(#2232, comfile) Angelic Hourglass (FXCUP3_hourglass) C++
58 / 100
 4 ms 588 KB 
#include <bits/stdc++.h>
using namespace std;
int main(){
    int n;scanf("%d",&n);
    int ans=1e9;
    for(int i=0;(3*i)<=n;i++){
        if(!((n-3*i)%5)){
            ans=min(ans,i+(n-3*i)/5);
        }
    }
    if(ans>=1e9) ans=-1;
    printf("%d\n",ans);
    return 0;
}

Compilation message

hourglass.cpp: In function 'int main()':
hourglass.cpp:4:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n;scanf("%d",&n);
           ~~~~~^~~~~~~~~

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 432 KB Output is correct
2 Correct 3 ms 516 KB Output is correct
3 Correct 3 ms 356 KB Output is correct
4 Correct 3 ms 448 KB Output is correct
5 Correct 2 ms 248 KB Output is correct

Subtask #2
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 516 KB Output is correct
2 Correct 2 ms 588 KB Output is correct
3 Correct 3 ms 516 KB Output is correct
4 Correct 3 ms 588 KB Output is correct
5 Incorrect 4 ms 588 KB Output isn't correct
6 Correct 4 ms 588 KB Output is correct
7 Correct 3 ms 588 KB Output is correct
8 Correct 4 ms 516 KB Output is correct
9 Correct 2 ms 588 KB Output is correct
10 Correct 2 ms 588 KB Output is correct
11 Correct 3 ms 588 KB Output is correct
12 Correct 3 ms 516 KB Output is correct
13 Correct 3 ms 588 KB Output is correct
14 Correct 3 ms 588 KB Output is correct
15 Correct 4 ms 588 KB Output is correct
16 Correct 3 ms 588 KB Output is correct
17 Correct 3 ms 588 KB Output is correct
18 Correct 3 ms 588 KB Output is correct

Subtask #3
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 588 KB Output is correct
2 Correct 3 ms 588 KB Output is correct
3 Correct 3 ms 588 KB Output is correct
4 Correct 3 ms 588 KB Output is correct
5 Correct 3 ms 588 KB Output is correct
6 Correct 2 ms 588 KB Output is correct
7 Correct 2 ms 588 KB Output is correct
8 Correct 3 ms 588 KB Output is correct
9 Correct 3 ms 588 KB Output is correct
10 Correct 3 ms 588 KB Output is correct
11 Correct 4 ms 588 KB Output is correct
12 Correct 4 ms 588 KB Output is correct