Borderou de evaluare (job #839521)

Compilare: main.cpp:1:40: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("O3, unroll-loops") | ^ main.cpp:7:33: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 7 | void build_B(int s, int t, int u) | ^ main.cpp:16:13: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 16 | signed main() | ^ main.cpp: In function 'int main()': main.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 21 | freopen("ab.in", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~ main.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result] 22 | freopen("ab.out", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~