Compilare: main.cpp: In function 'int main()': main.cpp:9:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] 9 | for(F>>n>>a>>b,x=a,y=b;F>>c>>d;s+=abs(a*d-b*c),a=c,b=d); | ^~~ main.cpp:10:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for' 10 | return G<<fixed<<setprecision(5)<<(s+abs(x*b-y*a))/2,0; | ^~~~~~