Submission #532640

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
532640	2022-03-03 12:32:46	qwerasdfzxcl	Newspapers (CEOI21_newspapers)	C++14	100 / 100	19 ms	460 KiB

newspapers

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<int> adj[1010];
int h[1010], c[1010];
bool L[1010];
void NO(){
    printf("NO\n");
    exit(0);
}
void dfs0(int s, int pa = -1){
    h[s] = 1;
    if (pa==-1) c[s] = 0;
    L[s] = 1;
    for (auto &v:adj[s]) if (v!=pa){
        L[s] = 0;
        c[v] = c[s] ^ 1;
        dfs0(v, s);
        h[s] = max(h[s], h[v] + 1);
    }
}
int r = -1;
void chk_valid(int n){
    for (int i=1;i<=n;i++){
        dfs0(i);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

newspapers.cpp: In function 'int main()':
newspapers.cpp:55:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |     scanf("%d %d", &n, &m);
      |     ~~~~~^~~~~~~~~~~~~~~~~
newspapers.cpp:66:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   66 |         scanf("%d %d", &x, &y);
      |         ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 8 / 8
• Subtask 3: 80 / 80