Compilare: main.cpp: In function 'void solve()': main.cpp:33:15: warning: unused variable 'v' [-Wunused-variable] int i, j, v; ^ main.cpp: In function 'void cit(int&)': main.cpp:15:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(ax, 1, dim, stdin); ^ main.cpp:22:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(ax, 1, dim, stdin); ^ main.cpp: In function 'int main()': main.cpp:52:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aparitii.in", "r", stdin); ^ main.cpp:53:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("aparitii.out", "w", stdout); ^