Compilare: main.cpp: In function 'int main()': main.cpp:25:20: warning: narrowing conversion of 'x' from 'int' to 'double' inside { } [-Wnarrowing] v[i] = {x, y, i}; ^ main.cpp:25:20: warning: narrowing conversion of 'y' from 'int' to 'double' inside { } [-Wnarrowing] main.cpp:17:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mission.in", "r", stdin); ^ main.cpp:18:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("mission.out", "w", stdout); ^ main.cpp:21:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:24:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^