控制檯輸出等腰三角形字符組成的圖形

#include <stdlib.h> #include <stdio.h> #include <malloc.h> /* print an isosceles triangle控制檯輸出等腰三角形字符組成的圖形 * *** ***** */ void printIsoscelesTriangle() { float H = 12; //triangle height //float TW = 1; //top width always = 1 float BW = 15; //bottom width char fillchar = '*'; char blankchar = '_'; void *pp = malloc(H * (BW + 1)); char *ss = (char *)pp; //fill for (float iH = 0; iH < H; iH++) { int CW; CW = (int)((iH + 1) / H * BW); //CurrentWidth if (CW > 0) { int prefix_space; prefix_space = (int)(BW - (float)CW) / 2; for (int i = 0; i < prefix_space; i++) { *ss = blankchar; ss++; } for (int i = 0; i < CW; i++) { *ss = fillchar; ss++; } } *ss = '/n'; ss++; } *ss = '/0'; ss++; puts((char *)pp); free(pp); return; } int main() { printIsoscelesTriangle(); exit(0); }

 

 

 

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