Compilare: main.cpp:1:58: warning: bad option '-fstrict-overflow' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("Ofast,unroll-loops,strict-overflow") | ^ main.cpp:8:10: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes] 8 | int main() { | ^ main.cpp: In function 'int main()': main.cpp:26:40: warning: bad option '-fstrict-overflow' to attribute 'optimize' [-Wattributes] 26 | auto calc = [&](int i, int j, int l) { | ^