Compilare: user.c: In function ‘euleer’: user.c:9:9: warning: variable ‘OK’ set but not used [-Wunused-but-set-variable] int OK = 0, i; ^ user.c: In function ‘rezultat’: user.c:46:5: warning: implicit declaration of function ‘min’ [-Wimplicit-function-declaration] return min(euler[M2[i][k]],euler[M2[j - (1 << k) + 1][k]]); ^ user.c: In function ‘main’: user.c:63:49: warning: unused variable ‘j’ [-Wunused-variable] int n, m = 0, i, x, t,a ,b, nivel = 1, aux, j, c, d; ^ user.c:63:33: warning: unused variable ‘nivel’ [-Wunused-variable] int n, m = 0, i, x, t,a ,b, nivel = 1, aux, j, c, d; ^ user.c:63:22: warning: unused variable ‘x’ [-Wunused-variable] int n, m = 0, i, x, t,a ,b, nivel = 1, aux, j, c, d; ^ user.c:64:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&t); ^ user.c:68:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&tata[i + 1]); ^ user.c:75:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&a,&b); ^