Compilare: user.cpp: In function ‘int main()’: user.cpp:36:31: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(m[i][i]^cL[i]^cC[i]==1){ ^ user.cpp:42:35: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(m[j][i]^cL[j]^cC[i]==1){ ^ user.cpp:49:35: warning: suggest parentheses around comparison in operand of ‘^’ [-Wparentheses] if(m[i][j]^cL[i]^cC[j]==1){ ^ user.cpp:17:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panou.in","r",stdin); ^ user.cpp:18:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("panou.out","w",stdout); ^ user.cpp:21:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&n); ^ user.cpp:24:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&x); ^ user.cpp:30:28: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld",&x); ^