oj.uz

답안 #342451

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
342451 2021-01-02T07:00:17 Z urd05 Spring cleaning (CEOI20_cleaning) C++14
0 / 100
 21 ms 364 KB 
#include <bits/stdc++.h>
using namespace std;

bool used[100000];

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);
    int l=n-1;
    for(int i=0;i<x;i++) {
        int v;
        scanf("%d",&v);
        v--;
        if (used[v]) {
            l++;
        }
        used[v]=true;
    }
}

Compilation message

cleaning.cpp: In function 'int main()':
cleaning.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
cleaning.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   11 |         scanf("%d %d",&u,&v);
      |         ~~~~~^~~~~~~~~~~~~~~
cleaning.cpp:14:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |     scanf("%d",&q);
      |     ~~~~~^~~~~~~~~
cleaning.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     scanf("%d",&x);
      |     ~~~~~^~~~~~~~~
cleaning.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   20 |         scanf("%d",&v);
      |         ~~~~~^~~~~~~~~

Subtask #1
0 / 0.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 10 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 13 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 21 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 364 KB Output isn't correct
2 Halted 0 ms 0 KB -