Compilare: main.cpp: In function 'int main()': main.cpp:2:84: warning: unused variable 'i' [-Wunused-variable] 2 | int main(){freopen("linii.in", "r", stdin);freopen("linii.out", "w", stdout);int N,i,x[2],y[2],ans=1;scanf("%d%d%d", &N, x, y);while(N--){scanf("%d%d",x+1,y+1);ans+=(x[1]<x[0]&&y[1]<y[0]);x[0]=x[1];y[0]=y[1];}printf("%d",ans);return 0;} | ^