Compilare: user.cpp: In function ‘bool forbidden(int, int)’: user.cpp:22:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if(I0 < interzis[i][0]) return true; ^ user.cpp:28:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if( I1 < interzis[i][1] ) return true; ^ user.cpp:34:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if( I2 < interzis[i][2] ) return true; ^ user.cpp:40:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if(I3 < interzis[i][3]) return true; ^ user.cpp: In function ‘void readData()’: user.cpp:100:25: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(IN, "r", stdin); ^ user.cpp:101:27: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(OUT, "w", stdout); ^ user.cpp:103:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:105:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &I0, &I1, &I2, &I3); ^ user.cpp:106:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &F0, &F1, &F2, &F3); ^ user.cpp:107:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:109:92: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d %d", &interzis[j][0], &interzis[j][1], &interzis[j][2], &interzis[j][3]); ^ user.cpp: In function ‘bool forbidden(int, int)’: user.cpp:21:75: warning: array subscript is above array bounds [-Warray-bounds] if (I1 == interzis[i][1] && I2 == interzis[i][2] && I3 == interzis[i][3]) { ^ user.cpp:27:75: warning: array subscript is above array bounds [-Warray-bounds] if (I0 == interzis[i][0] && I2 == interzis[i][2] && I3 == interzis[i][3]) { ^ user.cpp:33:75: warning: array subscript is above array bounds [-Warray-bounds] if (I0 == interzis[i][0] && I1 == interzis[i][1] && I3 == interzis[i][3]) { ^ user.cpp:40:36: warning: array subscript is above array bounds [-Warray-bounds] if (semn) if(I3 < interzis[i][3]) return true; ^