Borderou de evaluare (job #763296)

Compilare: main.cpp:2: warning: ignoring '#pragma GCC optimization' [-Wunknown-pragmas] 2 | #pragma GCC optimization("Ofast") | main.cpp:3:37: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 3 | #pragma GCC optimize(" unroll-loops") | ^ main.cpp:8:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 8 | int main() | ^ main.cpp: In function 'int main()': main.cpp:17:17: warning: 'k' may be used uninitialized [-Wmaybe-uninitialized] 17 | if (k == 0) | ^~ main.cpp:12:31: note: 'k' was declared here 12 | int v[3000000], i, n, k, cd = -1; | ^