zufe 热身赛 字符串统计
#include<iostream>
#include<cmath>
#include<iomanip>
#include<algorithm>
#include<string>
#include<string.h>
usingnamespace
std;
intmain()
{
intN;
cin >> N;
while(N--)
{
string
s; cin >> s;
intlen
= s.length();
intsum
= 0, z = 0; inta[101];
for(inti
= 0; i < len; i++)
{
if(s[i]
== 'a')
{
z++;
a[z] = i + 1;
}
if(z
>= 3)
{
sum
= sum + a[z - 2];
}
}
cout
<< sum << endl;
}
return0;
}