C 教程
C 語(yǔ)言實(shí)例 - 輸出九九乘法口訣表
C 語(yǔ)言實(shí)例使用嵌套 for 循環(huán)輸出九九乘法口訣表。
實(shí)例
#include<stdio.h>
int main(){
//外層循環(huán)變量,控制行
int i = 0;
//內(nèi)層循環(huán)變量,控制列
int j = 0;
for(i=1;i<=9;i++){
for(j=1;j<=i;j++){
printf("%dx%d=%dt",j,i,i*j);
}
//每行輸出完后換行
printf("n");
}
}
運(yùn)行結(jié)果：
1x1=1???? 1x2=2????2x2=4???? 1x3=3????2x3=6????3x3=9???? 1x4=4????2x4=8????3x4=12????4x4=16???? 1x5=5????2x5=10????3x5=15????4x5=20????5x5=25???? 1x6=6????2x6=12????3x6=18????4x6=24????5x6=30????6x6=36???? 1x7=7????2x7=14????3x7=21????4x7=28????5x7=35????6x7=42????7x7=49???? 1x8=8????2x8=16????3x8=24????4x8=32????5x8=40????6x8=48????7x8=56????8x8=64???? 1x9=9????2x9=18????3x9=27????4x9=36????5x9=45????6x9=54????7x9=63????8x9=72????9x9=81????其他擴(kuò)展