Compilare: user.cpp: In function ‘int main()’: user.cpp:74:56: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if ((a[i][j]%putere) xor (k%putere)==putere-1) tarcuri++; ^ user.cpp:84:52: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if ((a[i][j]%putere) xor (k%putere)!=putere-1) a[i][j]=-1; else a[i][j]=0; ^ user.cpp:90:16: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (a[tarc[i].l][tarc[i].c]!=-1) ^ user.cpp:55:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panda.in","r",stdin); ^ user.cpp:56:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panda.out","w",stdout); ^ user.cpp:57:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&p); ^ user.cpp:58:29: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&n,&m,&t); ^ user.cpp:59:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d",&lin,&col,&k,&s); ^ user.cpp:62:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&x,&y); ^ user.cpp:72:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^ user.cpp:83:37: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&a[i][j]); ^