蛇形添數

#include <stdio.h> #include <string.h> int main(void) { int arr[100][100]; memset(arr,0,sizeof(arr)); //都初始爲0 int n,x=0,y=0,i,j,tot=0; scanf("%d",&n); y=n-1; arr[0][n-1]=1; tot=1; while (tot<

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