Compilare: main.cpp: In function 'int main()': main.cpp:39:17: warning: narrowing conversion of 'a' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] p[i] = {a, b}; ^ main.cpp:39:17: warning: narrowing conversion of 'b' from 'int' to 'ld {aka long double}' inside { } [-Wnarrowing] main.cpp:31:34: 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); ^ main.cpp:32:36: 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); ^ main.cpp:35:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:38:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &a, &b); ^