Compilare: user.cpp: In function ‘nod mij(nod, nod, nod)’: user.cpp:377:22: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (n2.l <= n1.l && n1.l <= n3.l || n2.l >= n1.l && n1.l >= n3.l) ^ user.cpp:380:22: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (n1.l <= n2.l && n2.l <= n3.l || n1.l >= n2.l && n2.l >= n3.l) ^ user.cpp:383:22: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (n1.l <= n3.l && n3.l <= n2.l || n1.l >= n3.l && n3.l >= n2.l) ^ user.cpp: In function ‘void citNod(nod&)’: user.cpp:25:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d %d", &x.l, &x.c); ^ user.cpp: In function ‘void init()’: user.cpp:190:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("ai.in", "r", stdin); ^ user.cpp:191:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen ("ai.out", "w", stdout); ^ user.cpp:193:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^ user.cpp:199:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &k); ^ user.cpp: In function ‘nod mij(nod, nod, nod)’: user.cpp:385:1: warning: control reaches end of non-void function [-Wreturn-type] } ^