I have used Brute-Force but i am not getting right answer, can anyone please tell me whats wrong…??
LINK: #include<bits/stdc++.h>#define ll long long intusing namespace std;i - Pastebin.com
#include<bits/stdc++.h>
#define ll long long int
using namespace std;
int main(){
ll t; cin>>t;
while(t–){
int n,m; cin>>n>>m;
int a[n][m],b[n][m];
string s;
for(int i=0;i<n;i++){
cin>>s;
for(int j=0;j<m;j++){
a[i][j] = (s[j] - ‘0’);
}
}
for(int i=0;i<n;i++){
cin>>s;
for(int j=0;j<m;j++){
b[i][j] = (s[j] - ‘0’);
}
}
int dr = -n, dc = -m;
int ans = INT_MAX, r , c, cmp, tp;
while(dr < n){
dc = -m;
while(dc < m){
tp = 0;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
r = i + dr;
c = j + dc;
if(r < 0 || r > n || c < 0 || c > m){
cmp = 0;
}
else{
cmp = b[r][c];
}
if(cmp != a[i][j]){
tp++;
}
}
}
ans = min(ans,tp);
dc++;
}
dr++;
}
cout<<"ANS "<<ans<<endl;
}
return 0;
}
