제출 #1358649

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1358649		jump	과수원 (NOI14_orchard)	C++20	컴파일 에러	0 ms	0 KiB

orchard

#include <bits/stdc++.h>
#define int long long
int arr[1000010];
int arr2[100010];
signed main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
  int n,m;
  std::cin >> n >> m;
  if(n==1){
    int cost = 0;
    int maxS = 0;
    for(int i=1;i<=m;i++){
      std::cin >> arr[i];
      if(arr[i]==0)arr[i]=-1;
      else cost+=1,arr[i]=1;
    }
    int best = 0;
    for(int i=1;i<=m;i++){
      maxS+=arr[i];
      best=std::max(maxS,best);
      if(maxS<0)maxS=0;
    }
    std::cout << cost - best;
  }
  else if(n==2){
    int cost = 0;
    int maxS = 0;
    for(int i=1;i<=m;i++){
      std::cin >> arr[i];
      if(arr[i]==0)arr[i]=-1;
      else cost+=1,arr[i]=1;
    }
    for(int i=1;i<=m;i++){
      std::cin >> arr2[i];
      if(arr2[i]==0)arr2[i]=-1;
      else cost+=1,arr2[i]=1;
    }
    int best = 0;
    for(int i=1;i<=m;i++){
      maxS+=arr[i];
      best=std::max(maxS,best);
      if(maxS<0)maxS=0;
    }
    for(int i=1;i<=m;i++){
      maxS+=arr2[i];
      best=std::max(maxS,best);
      if(maxS<0)maxS=0;
    }
    for(int i=1;i<=m;i++){
      maxS+=arr1[i]+arr2[i];
      best=std::max(maxS,best);
      if(maxS<0)maxS=0;
    }
    std::cout << cost - best;
  }
}

컴파일 시 표준 에러 (stderr) 메시지

orchard.cpp: In function 'int main()':
orchard.cpp:51:13: error: 'arr1' was not declared in this scope; did you mean 'arr2'?
   51 |       maxS+=arr1[i]+arr2[i];
      |             ^~~~
      |             arr2