Compilare: user.cpp: In function ‘int main()’: user.cpp:31:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘llong* {aka long long int*}’ [-Wformat=] scanf("%d%d", &v[i].x, &v[i].y); ^ user.cpp:31:39: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘llong* {aka long long int*}’ [-Wformat=] user.cpp:46:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘llong {aka long long int}’ [-Wformat=] printf("%d", rez); ^ user.cpp:26:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("copaci.in", "r", stdin); ^ user.cpp:27:39: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("copaci.out", "w", stdout); ^ user.cpp:29:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ user.cpp:31:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &v[i].x, &v[i].y); ^