Compilare: main.cpp:3: warning: ignoring '#pragma GCC ooptimize' [-Wunknown-pragmas] 3 | #pragma GCC ooptimize("O1") | main.cpp:4: warning: ignoring '#pragma GCC ooptimize' [-Wunknown-pragmas] 4 | #pragma GCC ooptimize("O2") | main.cpp:5: warning: ignoring '#pragma GCC ooptimize' [-Wunknown-pragmas] 5 | #pragma GCC ooptimize("O3") | main.cpp:6: warning: ignoring '#pragma GCC ooptimize' [-Wunknown-pragmas] 6 | #pragma GCC ooptimize("unroll-loops") | main.cpp: In function 'int main()': main.cpp:20:9: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 20 | if(sol[i]==0) | ^~ main.cpp:22:13: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 22 | for(int j=i+1; j<n; j++) | ^~~