九九乘法表

#include<stdio.h> int main() { int n = 9; //scanf_s("%d", &n); int i, j; i = 1; while (i<=n) { j = 1; while (j<=i) { printf("%d*%d=%d", j, i, i * j); if (i*j<10) { printf(" "); } else { printf(" "); } j++; } printf("\n"); i++; } return 0; }