pat乙级-1023 组个最小数 (20)

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using namespace std;

int main()
{
int num[10],sum = 0,a[50],j = 0;
for(int i = 0; i < 10; ++i)
{
cin>>num[i];
sum += num[i];
while(num[i]--)
{
a[j++] = i;
}
}

if(sum>50||sum==0)
return 0;


for(j = 0; j < sum; ++j)
{
if(a[j]>0)
break;
}

int temp = 0;
temp = a[j];
a[j] = a[0];
a[0] = temp;

for(int i = 0; i < sum; ++i)
{
cout<<a[i];
}
return 0;
}