Compilare: user.cpp: In function ‘void read()’: user.cpp:43:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=1; i<=k; i++) ^ user.cpp: In function ‘int verif1(int, int)’: user.cpp:74:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x == S1 && y == S2) ^ user.cpp:74:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x == S1 && y == S2) ^ user.cpp:76:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:38: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:51: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:58: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:67: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp:76:74: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S1&&x>=T1)||(x>=S1&&x<=T1)) && ((y<=S2&&y>=T2)||(y>=S2&&y<=T2)) ) ^ user.cpp: In function ‘int verif2(int, int)’: user.cpp:84:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x == S3 && y == S4) ^ user.cpp:84:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if (x == S3 && y == S4) ^ user.cpp:86:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S3&&x>=T1)||(x>=S3&&x<=T1)) && ((y<=S4&&y>=T2)||(y>=S4&&y<=T2)) ) ^ user.cpp:86:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S3&&x>=T1)||(x>=S3&&x<=T1)) && ((y<=S4&&y>=T2)||(y>=S4&&y<=T2)) ) ^ user.cpp:86:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if ( ((x<=S3&&x>=T1)||(x>=S3&&x<=T1)) && ((y<=S4&&y>=T2)||(y>=S4&&y<=T2)) )