1079. 大话西游

星子

QAQ每个杨辉三角后面记得加\n

aiden
#include <iostream>
using namespace std;
int tri[30][30] = { 1 };
int main()
{
    for (auto i = 1; i < 30; ++i)
        for (auto j = 0; j < 30; ++j)
            tri[i][j] = tri[i - 1][j - 1] + tri[i - 1][j];
    int n;
    while (cin >> n)
    {
        if (n == 0)
            break;
        for (auto i = 0; i < n; ++i)
        {
            auto j = 0;
            while (tri[i][j])
            {
                cout << tri[i][j] << ' ';
                ++j;
            }
            cout.put('\n');
        }
        cout.put('\n');
    }
    return 0;
}
Gottfried_Leibniz

j-1小于0访问未定义内存居然能通过......

Sigurd

感觉有问题呀(இдஇ; )

RubbishCheShiuan

送答案:

include

int main()
{ int i,j,n=0,a[30][30]={0};
while(scanf(“%d”,&n)!=EOF&&n!=0)
{

for(i=0;i<n;i++)
a[i][0]=1;
for(i=1;i<n;i++)
for(j=1;j<=i;j++)
a[i][j]=a[i-1][j-1]+a[i-1][j];
for(i=0;i<n;i++)
{ for(j=0;j<=i;j++)
if (j<i)
{printf(“%d “,a[i][j]);}
else
{printf(“%d”,a[i][j]);}
printf(“\n”);
}
printf(“\n”);
}

return 0;
}

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