제출 #101584

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
101584	2019-03-19 04:41:51	dantoh000	007 (CEOI14_007)	C++14	0 / 100	406 ms	20220 KiB

007

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 200001;
/*const int logn = 18;
int p[logn+1][maxn], h[maxn];
int H[maxn];
int d[maxn];
*/
vector<int> adjlist[maxn];
/*
bitset<maxn> vis;
void dfs(int x){
    if (vis[x]) return;
    vis[x] = 1;
    for (int k = 0; k < logn; k++){
        if (p[k][x] == -1) break;
        p[k+1][x] = p[k][p[k][x]];
    }
    for (auto v : adjlist[x]){
        if (vis[v]) continue;
        //printf("%d -> %d\n",x,v);
        p[0][v] = x;
        d[v] = d[x]+1;
        h[v] = h[x]+1;
        dfs(v);
    }
}
int lca(int a, int b){
    if (h[a] > h[b]) swap(a,b);
    for (int k = 0, d= h[b] - h[a]; k < logn; k++){
 
 
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컴파일 시 표준 에러 (stderr) 메시지

007.cpp: In function 'int main()':
007.cpp:67:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     int n,e; scanf("%d%d",&n,&e);
              ~~~~~^~~~~~~~~~~~~~
007.cpp:69:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d%d",&s0,&sn,&serve1,&serve2);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:75:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a,&b);
         ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 30
• Subtask 2: 0 / 70