제출 #40455

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
40455	2018-02-01 16:43:52	Pajaraja	Nice sequence (IZhO18_sequence)	C++14	76 / 100	2059 ms	33324 KiB

sequence

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#include <bits/stdc++.h>
using namespace std;
vector<int> g[400007];
int pv[400007],deg[400007],parc[400007];
bool provera(int s,int n,int m)
{
  fill(deg,deg+s+1,0);
  for(int i=0;i<=s;i++) g[i].clear();
  for(int i=n;i<=s;i++) 
  {
      g[i].push_back(i-n);
      deg[i-n]++;
  }
  for(int i=m;i<=s;i++)
  {
    g[i-m].push_back(i);
    deg[i]++;
  }
  queue<int> q;
  for(int i=0;i<=s;i++) if(deg[i]==0) q.push(i);
  int cnt=0;
  while(!q.empty())
  {
    int u=q.front();
    pv[u]=cnt++;
    q.pop();
    for(int i=0;i<g[u].size();i++) 
    {
      deg[g[u][i]]--;
      if(deg[g[u][i]]==0) q.push(g[u][i]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

sequence.cpp: In function 'bool provera(int, int, int)':
sequence.cpp:27:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<g[u].size();i++) 
                ^
sequence.cpp: In function 'int main()':
sequence.cpp:46:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&t);
                ^
sequence.cpp:50:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&n,&m);
                      ^

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