oj.uz

Submission #342449

# Submission time Handle Problem Language Result Execution time Memory
342449 2021-01-02T06:54:32 Z urd05 Spring cleaning (CEOI20_cleaning) C++14
0 / 100
 22 ms 364 KB 
#include <bits/stdc++.h>
using namespace std;

int main(void) {
    int n;
    scanf("%d",&n);
    for(int i=1;i<n;i++) {
        int u,v;
        scanf("%d %d",&u,&v);
    }
    int q;
    scanf("%d",&q);
    int x;
    scanf("%d",&x);
    if (n%2==0) {
        printf("%d",n/2+(x-1)/2);
    }
    else {
        printf("%d",(n-1)/2+x/2);
    }
}

Compilation message

cleaning.cpp: In function 'int main()':
cleaning.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
cleaning.cpp:9:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    9 |         scanf("%d %d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
cleaning.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |     scanf("%d",&x);
      |     ~~~~~^~~~~~~~~

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 5 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 22 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -