Kiritan @ 2019-12-06 14:14:59
#include<cstdio>
#define max(a,b) a>b?a:b
#define swap(a,b) int k;k=a;a=b;b=k
char c;
long long f[1000005],n(1),maxn,a,b;
int main(){
while(~scanf("%c",&c)){
if(c=='G'){b=a+1;n++;}
if(c=='R'){b=a-1;n++;}
if(f[b]==0&&b!=0)f[b]=n;
maxn=max(maxn,n-f[b]);
swap(a,b);
}
printf("%lld",maxn-1);
return 0;
}by nkinclude @ 2019-12-06 14:17:11
爆0是得0分的意思
by Kiritan @ 2019-12-06 14:20:17
@nkinclude 70分在练习中不等于0吗...
by nkinclude @ 2019-12-06 14:21:05
@Kiritan 70不等于0
by nkinclude @ 2019-12-06 14:22:16
70!=0不是常识吗。。。
您想太简单了。
by Kiritan @ 2019-12-06 14:22:57
好吧，重点不是这个...，问题是怎么搞...
by deaf @ 2019-12-06 14:43:13
@nkinclude 你怎么想的啊没A就是没A怎么说话的啊
by nkinclude @ 2019-12-06 14:43:44
@qurui PA
by hjxhjx @ 2019-12-06 14:58:34
Orz不用std的大佬
by Kiritan @ 2019-12-06 15:01:32
解决了...被迫求字符串长度... :(
by Kiritan @ 2019-12-06 15:03:07
#include<cstdio>
#include<cstring>
#define max(a,b) a>b?a:b
#define swap(a,b) int k;k=a;a=b;b=k
char c[1000005];
long long f[1000005],n(1),maxn,a,b,l;
int main(){
scanf("%s",&c);
l=strlen(c);
for(int i(0);i<l;i++){
if(c[i]=='G')b=a+1;
if(c[i]=='R')b=a-1;
if(f[b]==0&&b!=0)f[b]=i+1;
maxn=max(maxn,i+1-f[b]);
swap(a,b);
}
printf("%lld",maxn);
return 0;
}