Compilare: user.cpp: In function ‘int main()’: user.cpp:70:23: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(mark[z.x][z.y]==2) ^ user.cpp:24:39: warning: unused variable ‘quest’ [-Wunused-variable] int n,m,i,j,x1,y1,x2,y2,x3,y3,rez,quest,ct; ^ user.cpp:24:45: warning: unused variable ‘ct’ [-Wunused-variable] int n,m,i,j,x1,y1,x2,y2,x3,y3,rez,quest,ct; ^ user.cpp:25:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("delfin.in","r",stdin); ^ user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("delfin.out","w",stdout); ^ user.cpp:27:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d\n",&n,&m); ^ user.cpp:29:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",aux); ^ user.cpp:44:19: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] mark[x1][y1]=1; ^ user.cpp:44:19: warning: ‘y1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:45:19: warning: ‘x2’ may be used uninitialized in this function [-Wmaybe-uninitialized] mark[x2][y2]=2; ^ user.cpp:45:19: warning: ‘y2’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:60:16: warning: ‘x3’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(f[x3][y3]) ^ user.cpp:60:16: warning: ‘y3’ may be used uninitialized in this function [-Wmaybe-uninitialized]