```
#include<bits/stdc++.h>
using namespace std;
string s[2601];
int i,j,o,a[10001],b[10001],c[10001],d[10001],ai=1,bi=1,ci=1,di=1;
int main(){
while(cin>>s[++o]){
for(i=0;i<s[o].size();i++){
if(s[o][i]=='E'){
goto asd;
}
if(s[o][i]=='W'){
a[ai]++;
c[ci]++;
}
else{
b[bi]++;
d[di]++;
}
if(a[ai]>=11||b[bi]>=11){
if(abs(a[ai]-b[bi])>1){
ai++,bi++;
}
}
if(c[ci]>=21||d[di]>=21){
if(abs(c[ci]-d[di])>1){
ci++,di++;
}
}
}
}
asd:
for(i=1;i<=ai;i++){
cout<<a[i]<<':'<<b[i]<<endl;
}
for(i=1;i<=ci;i++){
cout<<endl<<c[i]<<':'<<d[i];
}
}
```
by zbe_ @ 2021-08-28 11:29:00
@[华悦泽](/user/549617) 不用谢
by zbe_ @ 2021-08-28 11:29:30