제출 #552964

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
552964	2022-04-24 11:20:54	ToroTN	Newspapers (CEOI21_newspapers)	C++14	100 / 100	85 ms	12080 KiB

newspapers

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#include<bits/stdc++.h>
using namespace std;
#define pb push_back
int n,m,u_i[1000005],v_i[1000005],id[1005],st,lv[1005],mx,ed;
int par[1005],num,hsh[1005],type=0;
vector<int> v[1005],g[1005],line,ans;
stack<int> stk;
void dfs(int u,int p)
{
    for(auto node:g[u])
    {
        if(node!=p)
        {
            lv[node]=lv[u]+1;
            dfs(node,u);
        }
    }
}
void dfs2(int u,int p)
{
    for(auto node:g[u])
    {
        if(node!=p)
        {
            par[node]=u;
            lv[node]=lv[u]+1;
            dfs2(node,u);
        }
    }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

newspapers.cpp: In function 'int main()':
newspapers.cpp:125:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  125 |     for(int i=0;i<line.size();i++)
      |                 ~^~~~~~~~~~~~
newspapers.cpp:137:18: warning: format '%d' expects argument of type 'int', but argument 2 has type 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wformat=]
  137 |         printf("%d\n",2*ans.size());
      |                 ~^    ~~~~~~~~~~~~
      |                  |     |
      |                  int   std::vector<int>::size_type {aka long unsigned int}
      |                 %ld
newspapers.cpp:138:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  138 |         for(int i=0;i<ans.size();i++)
      |                     ~^~~~~~~~~~~
newspapers.cpp:50:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |     scanf("%d%d",&n,&m);
      |     ~~~~~^~~~~~~~~~~~~~
newspapers.cpp:53:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |         scanf("%d%d",&u_i[i],&v_i[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 8 / 8
• Subtask 3: 80 / 80