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讨论 Discussion |
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 瓶子涂色 |
#include<iostream>
using namespace std;
int main(){
freopen("p1077.in","r",stdin);
freopen("p1077.out","w",stdout);
int n,i,j,k,r[100001]={0},g[100001]={0},b[100001]={0},x,y,z,x1,y1,z1;
scanf("%d",&n);
for(i=1;i<=n;i++)scanf("%d",&r[i]);
for(i=1;i<=n;i++)scanf("%d",&g[i]);
for(i=1;i<=n;i++)scanf("%d",&b[i]);
x=x1=r[1];
y=y1=g[1];
z=z1=b[1];
for(i=2;i<=n;i++){
if(y<z) x1=y+r[i];else x1=z+r[i];
if(x<z) y1=x+g[i];else y1=z+g[i];
if(x<y) z1=x+b[i];else z1=y+b[i];
x=x1;
y=y1;
z=z1;
}
k=x;
if(y<=k)k=y;
if(z<=k)k=z;
printf("%d",k);
fclose(stdin);
fclose(stdout);
return 0;
}
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Flag |
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题号 |
P1077 |
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其它 |
通过 |
4人 |
提交 |
43次 |
通过率 |
9% |
难度 |
2 |
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