Compilare: main.cpp: In function 'int coliniare(int, int)': main.cpp:12:46: warning: suggest parentheses around '&&' within '||' [-Wparentheses] if((s1<x&&x<t1&&s2<y&&y<t2)||(t1<x&&x<s1)&&(t2<y&&y<s2)) ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp:17:51: warning: suggest parentheses around '&&' within '||' [-Wparentheses] else if((s3<x&&x<t1&&s4<y&&y<t2)||(t1<x&&x<s3)&&(t2<y&&y<s4)) ~~~~~~~~~~~~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:94:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1; i<=n; i++) ^~~ main.cpp:99:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' col[s1][s2]=-2; ^~~