제출 #197161

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
197161	2020-01-19 12:00:27	arnold518	Political Development (BOI17_politicaldevelopment)	C++14	54 / 100	3042 ms	25860 KiB

politicaldevelopment

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 5e4;
int N, K, ans=1;
set<int> adj[MAXN+10];
bool vis[MAXN+10];
int main()
{
  int i, j, k;
  scanf("%d%d", &N, &K);
  for(i=1; i<=N; i++)
  {
    int s;
    scanf("%d", &s);
    while(s--) { int t; scanf("%d", &t); adj[i].insert(t+1); }
  }
  while(1)
  {
    pii t(987654321, 0);
    for(i=1; i<=N; i++) if(!vis[i]) t=min(t, pii(adj[i].size(), i));
    if(t.second==0) break;
    int now=t.second;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

politicaldevelopment.cpp: In function 'int main()':
politicaldevelopment.cpp:38:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0; j<chd.size(); j++) if(i&(1<<j)) V.push_back(chd[j]);
             ~^~~~~~~~~~~
politicaldevelopment.cpp:40:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0; j<V.size(); j++) for(k=j+1; k<V.size(); k++) if(adj[V[j]].find(V[k])==adj[V[j]].end()) flag=false;
             ~^~~~~~~~~
politicaldevelopment.cpp:40:42: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    for(j=0; j<V.size(); j++) for(k=j+1; k<V.size(); k++) if(adj[V[j]].find(V[k])==adj[V[j]].end()) flag=false;
                                         ~^~~~~~~~~
politicaldevelopment.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &N, &K);
  ~~~~~^~~~~~~~~~~~~~~~
politicaldevelopment.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &s);
   ~~~~~^~~~~~~~~~
politicaldevelopment.cpp:22:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   while(s--) { int t; scanf("%d", &t); adj[i].insert(t+1); }
                       ~~~~~^~~~~~~~~~

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• Subtask 4: 38 / 38
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