Compilare: main.cpp: In function 'int main()': main.cpp:25:34: warning: format '%ld' expects argument of type 'long int*', but argument 3 has type 'int*' [-Wformat=] scanf("%lf %ld", &x, &fni); ^ main.cpp:13:15: warning: unused variable 'y' [-Wunused-variable] double x, y; ^ main.cpp:9:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sea.in", "r", stdin); ^ main.cpp:10:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("sea.out", "w", stdout); ^ main.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ main.cpp:18:55: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf", &get<0>(v[j]), &get<1>(v[j])); ^ main.cpp:25:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %ld", &x, &fni); ^