Compilare: main.cpp: In function 'int main()': main.cpp:66:21: warning: unused variable 'j' [-Wunused-variable] long long n, i, j, prim, ultim, dt, lt, dp, lp, sol; ^ main.cpp:64:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("silvania.in", "r", stdin); ^ main.cpp:65:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("silvania.out", "w", stdout); ^ main.cpp:67:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lld", &n); ^ main.cpp:68:54: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i = 1; i <= n; i++) scanf("%lld", &v[i].lemn); ^ main.cpp:69:53: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] for(i = 1; i <= n; i++) scanf("%lld", &v[i].poz); ^