http://codeforces.com/problemset/problem/305/A


这题就是意思没看懂,一开始以为只要个位数只要一个为0就能相加,没想到到CF里面提交第三组就过不了,才发现是要各个位上面都要有一个为0的时候才能相加。
题意很重要。。。。
AC代码:
#include<iostream>
#include<cstdio>
#include<algorithm> using namespace std; int main()
{
int k,i,j,n,t,x,y,z,x1,y1,z1,p;
int d[110],a[110];
while(scanf("%d",&k)!=EOF)
{
for(i = 0; i < k; i++)
{
scanf("%d",&d[i]);
}
sort(d,d+k);
n = 1;
a[0] = d[0];
for(i = 1; i < k; i++)
{
t = d[i];
x = t%10; //个位
t = t/10;
y = t%10; //十位
t = t/10;
z = t; //百位
for(j = 0; j < n; j++)
{
p = a[j];
x1 = p%10; //个位
p = p/10;
y1 = p%10; //十位
p = p/10;
z1 = p; //百位
if((x==0||x1==0)&&(y==0||y1==0)&&(z==0||z1==0))
{
continue;
}
else
{
break;
}
}
if(j == n)
{
a[n++] = d[i];
}
}
printf("%d\n%d",n,a[0]);
for(j = 1; j < n; j++)
{
printf(" %d",a[j]);
}
printf("\n");
} return 0;
}

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