【洛谷】：P1042 乒乓球

#include<bits/stdc++.h>
using namespace std;
char ch;
int a1,b1,a2[1000005],b2[1000005],cnt = 1; 

int main()
{
	cin>>ch;
	int x = 0 , y = 0;
	while (ch != 'E')
	{
		if (ch == 'W') a1 ++ , x ++; else b1 ++ , y ++;
		if ((a1>=11 || b1 >= 11) && abs(a1-b1) >= 2) cout<<a1<<':'<<b1<<endl , a1 = 0 , b1 = 0;
		if ((x >= 21 || y >= 21) && abs(x-y) >= 2) a2[cnt] = x , b2[cnt] = y , cnt ++ , x = 0 , y = 0;
		cin>>ch;
	}
	cout<<a1<<':'<<b1<<endl;
	cout<<endl;
	int j = cnt - 1;
	for (int i = 1 ; i <= j ; i ++) printf("%d:%d
",a2[i],b2[i]);
    printf("%d:%d
",x,y); 
	return 0;
}