Gold

input/code.cpp: In function 'int main()':
input/code.cpp:15:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d\n",&w,&h);
                         ^
input/code.cpp:18:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s",m[i]);
                     ^
input/code.cpp:21:27: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
   printf("%d\n",flood(x,y));
                           ^
input/code.cpp:21:27: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]

#include <stdio.h>
char m[51][51];
int v[51][51];
int flood(int x,int y){
  if(v[y][x])return 0;
  if(m[y][x]=='#')return 0;
  v[y][x]=1;
  int r = 0;
  if(m[y][x]=='G')++r;
  if(m[y+1][x] == 'T' || m[y-1][x] == 'T' || m[y][x+1] == 'T' || m[y][x-1] == 'T') return r;
  return r+flood(x,y+1)+flood(x,y-1)+flood(x+1,y)+flood(x-1,y);
}
int main(){
  int w,h;
  scanf("%d %d\n",&w,&h);
  int x,y;
  for(int i=0;i<h;++i){
    scanf("%s",m[i]);
    for(int j=0;j<w;++j)if(m[i][j]=='P')x=j,y=i;
  }
  printf("%d\n",flood(x,y));
  return 0;
}

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

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED