題目連結：New Year Chaos | HackerRank
void minimumBribes(vector<int> q){
int ans=0;
for(int i=q.size()-1;i>=0;i--) {
if(q[i]-(i+1)>2){
cout<<"Too chaotic\n";
return;
}
for(int j=max(0,q[i]-2);j<i;j++)
if(q[j]>q[i])ans++;
}
cout<<ans<<"\n";
}