[Codeforces Round #147 (Div. 2)]A. Free Cash
地址:http://codeforces.com/contest/237/problem/A
想服务所有顾客,要多少cash,同时来的肯定不能在同一台cash上
这题我错了好多次才AC......
1 #include<stdio.h> 2 3 int a,b,c,d,n; 4 5 int main() 6 { 7 int i,count=1,ans=0; 8 scanf("%d",&n); 9 for(i=0;i<n;i++) 10 { 11 scanf("%d %d",&c,&d); 12 if(i==0) 13 { 14 a=c; 15 b=d; 16 continue; 17 } 18 if(d==b && c==a) count++; 19 else {ans=count>ans?count:ans;count=1;} 20 a=c; 21 b=d; 22 } 23 ans=count>ans?count:ans; 24 printf("%d\n",ans); 25 return 0; 26 }