#include<stdio.h> #include<string.h> int max(int a,int b) { return a>b?a:b; } int bei[12][100003]; int main() { int m,i,j; //freopen("in.txt","r",stdin); while( scanf("%d",&m)&&m) { int a,b,T=0; memset(bei,0,sizeof(bei)); while(m--) { scanf("%d%d",&a,&b); bei[a][b]++; //时间为b,,位移为a; T<b?T=b:b; //选出最大时间; } for(j=0; j<11; j++) for(i=T-1; i>=0; i--) { if(j==0) bei[j][i]+=max(bei[ j+1][i],bei[j+1][i+1]); else bei[j][i]+=max(max(bei[j+1][i],bei[j+1][i+1]),bei[j+1][i-1]); } printf("%d\n",bei[5][0]); } return 0; }
时间: 2024-10-28 13:32:48