Eroare de compilare: main.cpp: In function 'int solve(int, int, int)': main.cpp:8:18: error: 'ord' was not declared in this scope ord(mid * mid); ^ main.cpp: In function 'int main()': main.cpp:21:33: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("z.in", "r", stdin) ; ^ main.cpp:22:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("z.out", "w", stdout) ; ^ main.cpp:24:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &k) ; ^ main.cpp:27:32: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &l, &c) ; ^ Non zero exit status: 1