제출 #617969

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
617969	2022-08-01 18:18:36	patrikpavic2	Jail (JOI22_jail)	C++17	72 / 100	3532 ms	1048576 KiB

jail

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#include <cstdio>
#include <vector>
#include <algorithm>
#define X first
#define Y second
#define PB push_back
using namespace std;
const int N = 120500;
const int LOG = 17;
vector < int > v[N], poc[N], zav[N], sm[3 * N];
int n, q, st[N], en[N], bio[3 * N], dep[N], par[N];
vector < int > put;
void dfs(int x, int lst){
  dep[x] = dep[lst] + 1;
  par[x] = lst;
  for(int y : v[x])
    if(y != lst) dfs(y, x);
}
void napravi_put(int a, int b){
  vector < int > L, R;
  //printf("%d -> %d\n", a, b);
  while(a != b){
    if(dep[a] > dep[b])
      L.PB(a), a = par[a];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

jail.cpp: In function 'void solve()':
jail.cpp:55:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   55 |  scanf("%d", &n);
      |  ~~~~~^~~~~~~~~~
jail.cpp:57:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |   int a, b; scanf("%d%d", &a, &b);
      |             ~~~~~^~~~~~~~~~~~~~~~
jail.cpp:62:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   62 |  scanf("%d", &q);
      |  ~~~~~^~~~~~~~~~
jail.cpp:64:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   64 |   int a, b; scanf("%d%d", &a, &b);
      |             ~~~~~^~~~~~~~~~~~~~~~
jail.cpp: In function 'int main()':
jail.cpp:91:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   91 |  int T; scanf("%d", &T);
      |         ~~~~~^~~~~~~~~~

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