제출 #136360

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
136360	2019-07-25 07:50:48	khsoo01	Queue (CEOI06_queue)	C++11	100 / 100	434 ms	20196 KiB

queue

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#include<bits/stdc++.h>
#define X first
#define Y second
using namespace std;
 
typedef pair<int,int> pii;
const int N = 50005, inf = 1e9+7;
 
map<int, int> fr, bk, s[2];
 
int getfr (int I) {
  if(fr.find(I) == fr.end()) return I-1;
  return fr[I];
}
 
int getbk (int I) {
  if(bk.find(I) == bk.end()) return I+1;
  return bk[I];
}
 
int main()
{
  int n, q, CT = 1;
  scanf("%d",&n);
  while(n--) {
    int A, B;
    scanf("%d%d",&A,&B);
    int AF = getfr(A), AB = getbk(A), BF = getfr(B);
    if(A == B || AB == B) continue;
    fr[AB] = AF;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

queue.cpp: In function 'int main()':
queue.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
queue.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&A,&B);
   ~~~~~^~~~~~~~~~~~~~
queue.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&q);
  ~~~~~^~~~~~~~~
queue.cpp:52:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%s%d",T,&A);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 100 / 100