ZOJ 3323 Somali Pirates（模拟）

#include<iostream>
#include<cstdio>
#include<set>
#include<string>
#include<string.h>
#include<cstring>
#include<vector>
#include<map>
#include<queue>
#include<stack>
#include<cctype>
#include<algorithm>
#include<sstream>
#include<utility>
#include<cmath>
#define mt(a) memset(a,0,sizeof (a))
#define fl(a,b,c) fill(a,b,c)
#define SWAP(a,b,t) (t=a,a=b,b=t)

#define inf 1000000000+7

using namespace std;

int main()
{
int T;
cin >> T;
while (T--)
{
string a;
cin >> a;
int len = a.size();
for (int i = 0; i < len; i++)
{
if (!isdigit(a[i]))printf("%c", a[i]);
}
printf("\n");
}
return 0;
}