摘要： C语言 #include <stdio.h>#include <math.h>int main(){int i,j,a[100],N;scanf("%d",&N); for (i=1;i<=N;i++) a[i]=i; a[1]=0; for (i=2;i<sqrt(N);i++) for (j=i 阅读全文

摘要： C语言 #include <stdio.h>int main(){ int N; scanf("%d",&N); int i,j,a[N][N]; for (i=0;i<N;i++) {a[i][i]=1; a[i][0]=1; } for (i=2;i<N;i++) for (j=1;j<=i-1 阅读全文