Submission #533950

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
533950	2022-03-07 17:56:58	AbrahamJ	Newspapers (CEOI21_newspapers)	C++98	100 / 100	20 ms	416 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:55:14: 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:66:18: 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