제출 #57456

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
57456	2018-07-15 05:43:01	leejseo	공장 (KOI13_factory)	C++17	0 / 20	1082 ms	18416 KiB

factory

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#include <bits/stdc++.h>
using namespace std;
typedef long long lld;
int X[1000001], N;
vector<int> L;
vector<int> temp;
void input(){
  scanf("%d", &N);
  int val;
  for (int i=0; i<N; i++){
    scanf("%d", &val);
    X[val] = i;
  }
  for (int i=0; i<N; i++){
    scanf("%d", &val);
    L.push_back(X[val]);
  }
  L.push_back((int) 1e9);
}
lld merge_sort(int fr, int ed){
  if (ed <= fr+3){
    lld ans = 0;
    for (int i=fr; i<=ed; i++){
      for (int j=fr; j<i; j++){
        if (L[j] > L[i]) ans++;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

factory.cpp: In function 'void input()':
factory.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
factory.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &val);
   ~~~~~^~~~~~~~~~~~
factory.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &val);
   ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 2.2
• Subtask 2: 0 / 3.4
• Subtask 3: 0 / 3.8
• Subtask 4: 0 / 4.8
• Subtask 5: 0 / 5.8