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发表于 2019-11-19 23:18:13
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本帖最后由 jackz007 于 2019-11-19 23:20 编辑
循环写的不对
- #include <stdio.h>
- int main(void)
- {
- int x , y ;
- for(x = 1 ; x <= 9 ; x ++) {
- for(y = 1 ; y < x + 1 ; y ++) {
- if(y > 1) printf(" ") ;
- printf("%dx%d=%2d" , y , x , x * y) ;
- }
- printf("\n") ;
- }
- }
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编译运行实况
- C:\Bin>g++ -o x x.c
- C:\Bin>x
- 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
- C:\Bin>
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