Compilare: user.cpp:31:36: warning: narrowing conversion of ‘1.000000007e+9’ from ‘double’ to ‘const int’ inside { } [-Wnarrowing] const int mod[] = {1e9 + 7, 1e9 + 9}; ^ user.cpp:31:36: warning: narrowing conversion of ‘1.000000009e+9’ from ‘double’ to ‘const int’ inside { } [-Wnarrowing] user.cpp: In function ‘char gchar()’: user.cpp:16:47: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] cnt = 0, fread(buff, buffer, 1, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:57:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("shukarime.in", "r", stdin); ^ user.cpp:58:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("shukarime.out", "w", stdout); ^