Compilare: user.cpp: In function ‘int main()’: user.cpp:68:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0; i < q.size(); i++) ^ user.cpp:70:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0; j < v.size(); j++) ^ user.cpp:74:49: warning: use of ‘ll’ length modifier with ‘f’ type character [-Wformat=] printf("%.1llf \n", arie_calc(st, nrst)); ^ user.cpp:50:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.in", "r", stdin); ^ user.cpp:51:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("geometrie.out", "w", stdout); ^ user.cpp:52:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:55:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &crt.x, &crt.y); crt.id = 1; ^ user.cpp:61:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &crt.x, &crt.y); crt.id = 2; ^