제출 #813710

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
813710	2023-08-08 02:23:08	1075508020060209tc	Cat in a tree (BOI17_catinatree)	C++14	100 / 100	347 ms	55624 KiB

catinatree

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#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;
//#define int long long
#define X first
#define Y second
int n;
vector<int>e[200005];
int vis[200005];
int fa[25][200005];
int dis[25][200005];
int dph[200005];
int sbsz[200005];
int lvl[200005];
void dfssz(int nw,int pa){
sbsz[nw]=1;
for(int i=0;i<e[nw].size();i++){
    int v=e[nw][i];
    if(vis[v]||v==pa){continue;}
    dfssz(v,nw);
    sbsz[nw]+=sbsz[v];
}
}
int fincen(int nw,int pa,int tot){
for(int i=0;i<e[nw].size();i++){
    int v=e[nw][i];
    if(vis[v]||v==pa){continue;}
    int vl=fincen(v,nw,tot);
    if(vl){return vl;}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

catinatree.cpp: In function 'void dfssz(int, int)':
catinatree.cpp:18:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 | for(int i=0;i<e[nw].size();i++){
      |             ~^~~~~~~~~~~~~
catinatree.cpp: In function 'int fincen(int, int, int)':
catinatree.cpp:26:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 | for(int i=0;i<e[nw].size();i++){
      |             ~^~~~~~~~~~~~~
catinatree.cpp: In function 'void dfsdph(int, int, int, int)':
catinatree.cpp:38:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   38 | for(int i=0;i<e[nw].size();i++){
      |             ~^~~~~~~~~~~~~
catinatree.cpp: In function 'void decompose(int, int)':
catinatree.cpp:53:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 | for(int i=0;i<e[cen].size();i++){
      |             ~^~~~~~~~~~~~~~
catinatree.cpp: In function 'int main()':
catinatree.cpp:104:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  104 | for(int i=0;i<vc.size();i++){
      |             ~^~~~~~~~~~

• Subtask 1: 11 / 11
• Subtask 2: 40 / 40
• Subtask 3: 49 / 49