Time bomb

input/code.cpp: In function 'int main()':
input/code.cpp:37:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i=0; i<(t[0].size()+1)/4; ++i){
                                   ^

#include <iostream>
using namespace std;

string t[5];




int gv(int p){p*=4;
  
  int c=0;
  c|=((t[1][p+0]=='#') << 6);
  c|=((t[0][p+1]=='#') << 5);
  c|=((t[1][p+2]=='#') << 4);
  c|=((t[3][p+0]=='#') << 3);
  c|=((t[2][p+1]=='#') << 2);
  c|=((t[3][p+2]=='#') << 1);
  c|=((t[4][p+1]=='#') << 0);
  
  if (c==0b1111011) return 0;
  if (c==0b0010010) return 1;
  if (c==0b0111101) return 2;
  if (c==0b0110111) return 3;
  if (c==0b1010110) return 4;
  if (c==0b1100111) return 5;
  if (c==0b1101111) return 6;
  if (c==0b0110010) return 7;
  if (c==0b1111111) return 8;
  if (c==0b1110111) return 9;
  return -1;
}


int main(){
  for (int i=0; i<5; ++i) cin >> t[i];
  int p=0;
  for (int i=0; i<(t[0].size()+1)/4; ++i){
    p*=10;
    p+=gv(i);
  }
  if (p%97==0) cout << "BEER!!\n";
  else cout << "BOOM!\n";
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED