打印平行四边形,输入图形的行数、列数并输入打印的字符,打印出图形...答:void main(){ int i,a,n,j,k;char c;printf("行数:");scanf("%d",&a);printf("列数:");scanf("%d",&n);getchar();printf("字符:");scanf("%c",&c);for(i=1;i<=n;i++){ for(k=1;k<=n-i;k++)printf(" ");for(j=1;j<=n;j++)printf("%c",c);printf("\...