有没有佬帮我看看为什么tle啊

#include<bits/stdc++.h>

using namespace std;

unordered_map<char,int> mp;

int n,m,sum,i;

char s[11],c[1];

bool f;

int main()

{

int t = 1;

scanf("%d",&t);

while(t--)

{

mp.clear();

scanf("%d",&n);

getchar();

sum = n;

while(n--)

{

scanf("%s",c);

mp[c[0]]++;

}

scanf("%d",&m);

getchar();

f = 0;

while(m--)

{

scanf("%s",s);

int l = strlen(s);

for(i = 0;i < l;i++)

{

mp[s[i]]--;

if(s[i] != 'O')

sum--;

if(mp[s[i]] < 0 && s[i] != 'O')

{

f = 1;

break;

}

}

if(f)

break;

}

if(sum + mp['O'] < 0)

f = 1;

if(!f)

printf("YES\n");

else

printf("NO\n");

}

return 0;

}