Compilare: user.cpp: In function ‘void citire()’: user.cpp:20:44: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 2 has type ‘long long int*’ [-Wformat=] scanf("%ld %ld\n", &v[i].x, &v[i].y); ^ user.cpp:20:44: warning: format ‘%ld’ expects argument of type ‘long int*’, but argument 3 has type ‘long long int*’ [-Wformat=] user.cpp: In function ‘int cmp(punct, punct)’: user.cpp:30:33: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] return (e.x<f.x || e.x==f.x && e.y<f.y); ^ user.cpp: In function ‘int main()’: user.cpp:84:27: warning: format ‘%lf’ expects argument of type ‘double’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%.6lf\n", dmax); ^ user.cpp: In function ‘void citire()’: user.cpp:18:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:20:45: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%ld %ld\n", &v[i].x, &v[i].y); ^ user.cpp: In function ‘int main()’: user.cpp:77:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.in", "r", stdin); ^ user.cpp:78:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("cmap.out", "w", stdout); ^