Compilare: user.cpp: In function ‘bool forbidden(int, int)’: user.cpp:38:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if(I0 < interzis[i][0]) return true; ^ user.cpp:44:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if( I1 < interzis[i][1] ) return true; ^ user.cpp:50:8: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if (semn) if( I2 < interzis[i][2] ) return true; ^ user.cpp:56:8: 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:124:25: 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:125:27: 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:127:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &T); ^ user.cpp:128:42: 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:129:42: 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:131:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:133:92: 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:37:75: warning: array subscript is above array bounds [-Warray-bounds] if (I1 == interzis[i][1] && I2 == interzis[i][2] && I3 == interzis[i][3]) { ^ user.cpp:43:75: warning: array subscript is above array bounds [-Warray-bounds] if (I0 == interzis[i][0] && I2 == interzis[i][2] && I3 == interzis[i][3]) { ^ user.cpp:49:75: warning: array subscript is above array bounds [-Warray-bounds] if (I0 == interzis[i][0] && I1 == interzis[i][1] && I3 == interzis[i][3]) { ^ user.cpp:56:36: warning: array subscript is above array bounds [-Warray-bounds] if (semn) if(I3 < interzis[i][3]) return true; ^