UVa 1588 Kickdown

#include<cstdio>#include<algorithm>#include<cstring>#define maxn 105using namespace std;int f(char *mas,char *dri);int main(){char mas[maxn]={0},dri[maxn]={0};while(scanf("%s%s",mas,dri)!=EOF){printf("%d\n",min(f(mas,dri),f(dri,mas)));memset(dri,0,sizeof(dri));memset(mas,0,sizeof(mas));}}int f(char *mas,char *dri){int mp=0,dp=0,cnt=0,i;int mlen=strlen(mas),dlen=strlen(dri);while(1){int ok=1;for(i=0;i<dlen;i++)if(((i+mp)>=mlen?0:mas[i+mp])+dri[i]>(3+2*'0')){ok=0;break;}if(ok) {cnt+=i-dp;break;}mp++;cnt++;}return (cnt>mlen?cnt:mlen);}