Submission #75705629

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Source Code Expand

#include<bits/stdc++.h>
#define ll long long
#define rep(i,l,r) for(int i=(l);i<=(r);i++)
#define per(i,r,l) for(int i=(r);i>=(l);i--)

using namespace std;
const int N=4e6+10;
int T,h,w,n,m,tot,hf,tar,cur,st,px[N],py[N],o[N];

void solve(){
    cin>>h>>w;n=2*h;m=2*w;
    vector<string> g(n),ans(n,string(m,'B'));
    rep(i,0,n-1)cin>>g[i];int id=0;
    rep(j,0,m-1)px[id]=0,py[id]=j,id++;
    rep(i,1,n-1){
        if(i%2)per(j,m-1,1)px[id]=i,py[id]=j,id++;
        else rep(j,1,m-1)px[id]=i,py[id]=j,id++;
    }
    per(i,n-1,1)px[id]=i,py[id]=0,id++;
    tot=4*h*w;hf=2*h*w;tar=h*w;
    rep(i,0,tot-1)o[i]=(g[px[i]][py[i]]=='o');
    cur=0;st=-1;rep(i,0,hf-1)cur+=o[i];
    if(cur==tar)st=0;
    else rep(i,1,tot-1){
        cur-=o[i-1];
        cur+=o[(i+hf-1)%tot];
        if(cur==tar){st=i;break;}
    }
    rep(i,0,hf-1)ans[px[(st+i)%tot]][py[(st+i)%tot]]='A';
    rep(i,0,n-1)cout<<ans[i]<<"\n";
    return;
}
signed main(){
    ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin>>T;while(T--)solve();
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'void solve()':
./Main.cpp:3:20: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    3 | #define rep(i,l,r) for(int i=(l);i<=(r);i++)
      |                    ^~~
./Main.cpp:13:5: note: in expansion of macro 'rep'
   13 |     rep(i,0,n-1)cin>>g[i];int id=0;
      |     ^~~
./Main.cpp:13:27: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   13 |     rep(i,0,n-1)cin>>g[i];int id=0;
      |                           ^~~

Judge Result