c++打印心形_打印心形

#include

#include

int isEven(int number);

void printLovingHeart(int number,int left);//打印爱心

void printUpLovingHeart(int number,int left);//打印爱心的上半部分

void printDownTri(int number, int left);//打印边长为number的向下正三角形,左边空left列

void printLovingHeartRow(int number, int row, int left);

void printRow(int number, int row, int left);

int main(){

int number;

while (fflush(stdin), scanf("%d", &number) != EOF){

if (isEven(number))

printLovingHeart(number,0);

else

printf("Please input a even number.n");

}

system("pause");

return 0;

}

int isEven(int number){

if (number % 2 == 0)

return 1;

else

return 0;

}

void printDownTri(int number, int left){

for (int i = number; i > 0; --i){//i为当前行*数

printRow(number, i, left);

printf("n");

}

}

void printUpLovingHeart(int number,int left){

for (int i = 2; i < number/2; ++i)//i为当前行

printLovingHeartRow(number, i, left);

}

void printLovingHeartRow(int number, int row, int left){

printRow(number/2-1,row,left+1);

printRow(number/2-1,row,number/2-row+2);

printf("n");

}

void printRow(int number, int row, int left){

for (int j = 0; j < left; ++j)//打印空列

printf(" ");

for (int j = 0; j < number - row; ++j)//打印左方空白

printf(" ");

for (int j = 0; j < row; ++j)//打印三角形的一行

printf("* ");

printf("b");

}

void printLovingHeart(int number,int left){

printUpLovingHeart(number,left);

printDownTri(number,left);

}