Submission #342449

#	Time	Username	Problem	Language	Result	Execution time	Memory
342449		urd05	Spring cleaning (CEOI20_cleaning)	C++14	0 / 100	22 ms	364 KiB

cleaning

#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 (stderr)

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
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 16
• Subtask 5: 0 / 19
• Subtask 6: 0 / 17
• Subtask 7: 0 / 30