제출 #93778

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
93778	2019-01-11 08:16:37	kjain_1810	Paths (BOI18_paths)	C++17	100 / 100	485 ms	95608 KiB

paths

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#include "bits/stdc++.h"
using namespace std;
int k;
vector <int> g[300010];
int col[300010];
long long M[1 << 5][300010];
 
long long dp(int mask, int node) {
  if(M[mask][node] != -1) return M[mask][node];
  long long ans = 1;
  for(auto i : g[node]) {
    if((mask >> col[i]) & 1) {}
    else {
      ans += dp(mask ^ (1 << col[i]), i);
    }
  }
  return M[mask][node] = ans;
}
 
int main(int argc, char const *argv[])
{
  int n, m;
  scanf("%d %d %d", &n, &m, &k);
  for(int i = 1; i <= n; i++) {
    scanf("%d", &col[i]);
    --col[i];
  }
  for(int i = 0; i < m; i++) {
    int p, q;
    scanf("%d %d", &p, &q);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

paths.cpp: In function 'int main(int, const char**)':
paths.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d", &n, &m, &k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
paths.cpp:25:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &col[i]);
   ~~~~~^~~~~~~~~~~~~~~
paths.cpp:30:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &p, &q);
   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 23 / 23
• Subtask 2: 20 / 20
• Subtask 3: 27 / 27
• Subtask 4: 30 / 30