Compilare: main.cpp:1:40: warning: bad option '-f unroll-loops' to pragma 'optimize' [-Wpragmas] 1 | #pragma GCC optimize("O2, unroll-loops") | ^ main.cpp:24:44: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 24 | void fastIO(char input[50], char output[50]) | ^ main.cpp: In function 'void fastIO(char*, char*)': main.cpp:29:14: warning: comparison with string literal results in unspecified behavior [-Waddress] 29 | if(input != "std") { | ~~~~~~^~~~~~~~ main.cpp:32:15: warning: comparison with string literal results in unspecified behavior [-Waddress] 32 | if(output != "std") { | ~~~~~~~^~~~~~~~ main.cpp: At global scope: main.cpp:37:10: warning: bad option '-f unroll-loops' to attribute 'optimize' [-Wattributes] 37 | int main() | ^ main.cpp: In function 'int main()': main.cpp:40:12: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 40 | fastIO("ssm.in", "ssm.out"); | ^~~~~~~~ main.cpp:40:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings] 40 | fastIO("ssm.in", "ssm.out"); | ^~~~~~~~~ main.cpp:67:53: warning: 'finM' may be used uninitialized [-Wmaybe-uninitialized] 67 | cout << sMax << ' ' << stM + 1 << ' ' << finM + 1; | ^ main.cpp:50:9: note: 'finM' was declared here 50 | int finM; | ^~~~