题解 | #人民币转换#
人民币转换
https://www.nowcoder.com/practice/00ffd656b9604d1998e966d555005a4b
double类型可能会丢失精度,第一次知道。。。😂
#include<iostream> #include<vector> #include<string> #include<algorithm> using namespace std; string kkbd(double n) {//让金额数字快快变大变成中文大写数字 string s; n += 0.005; int x = n, i = 0, tag = 0, tag1 = 0, i1 = 0;//x用于取整,i记录金额的位数,i1用来记录万和亿的进位,tag用来记录是否为零,初始化为零则可避免在10,100等后输出0; vector<string>daxie = { "零","壹","贰","叁","肆","伍","陆","柒","捌","玖" }; vector<string>weishu = { "","拾","佰","仟" }; vector<string>weishu2 = { "元","万","亿" }; if (x == n) s = "整";//无小数说明是整钱; else { int a = (n - x) * 100; if (a % 10 != 0) s = daxie[a%10] + "分"; if (a / 10 != 0) s = daxie[a / 10] + "角" + s; } while (x) { if (tag1 == 0) { s = weishu2[i1] + s; tag1 = 1; } if (x % 10 == 0 && tag != 0) { s = daxie[x % 10] + s; tag = 0; } if (x % 10 > 0) { if (i == 1 && x % 10 == 1) s = weishu[i] + s; else s = daxie[x % 10] + weishu[i] + s; tag = 1; } i == 3 ? (i = 0, ++i1, tag1 = 0, tag = 0) : ++i; x /= 10; } s = "人民币" + s; return s; } int main() { double n; cin >> n; string s = kkbd(n); cout << s; }