AOJ 2583 JAG-channel

#include<bits/stdc++.h>
#define fi first
#define se second
#define show(x) cerr<<#x<<"="<<x<<"\n"
typedef long long ll;
using namespace std;
//const ll MOD=(ll)1e9+7;
//const ll inf=(ll)1e14;
const int dy[]={1,0,-1};
const int dx[]={1,0,-1};
int n,m,h,w;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(0);
  cout.precision(10);
  cout<<fixed;
#ifdef LOCAL_DEFINE
  FILE *stream1;
  //FILE *stream2;
  stream1=freopen("in","r",stdin);
  //stream2=freopen("out","w",stdout);
  if(stream1==NULL)return 0;
  //if(stream2==NULL)return 0;
#endif
  while(cin>>n,n){
    vector<string> s(n);
    for(int i=0;i<n;i++){
      cin>>s[i];
      if(i==0)continue;
      int j;
      for(j=0;s[i][j+1]=='.';j++);
      s[i][j]='+';
      for(int k=i-1;k>0;k--){
        if(s[k][j]=='.')s[k][j]='|';
        else break;
      }
    }
    for(int i=0;i<n;i++){
      for(int j=0;j<(int)s[i].size();j++){
        if(s[i][j]=='.')s[i][j]=' ';
      }
      cout<<s[i]<<endl;
    }
  }
#ifdef LOCAL_DEFINE
  cerr<<"Time elapsed: "<<1.0*clock()/CLOCKS_PER_SEC<<"s.\n";
  fclose(stream1);
  //fclose(stream2);
#endif
  return 0;
}

• 日本語や読めてなくてかなり時間がかかってしまった。。。