PAT答案（换个格式输出整数）

题目链接

https://www.patest.cn/contests/pat-b-practise/1006

代码

#include
#include
using namespace std;

int main() {
    char a[2] = {'S', 'B'};
    int n, x;
    stack<int> s;
    cin >> n;
    while(n != 0) {
        s.push(n % 10);
        n /= 10;
    }
    while(!s.empty()) {
        for(int i=0; i < s.top(); i++) {
            if(s.size() == 1) {
                for(int j = 1; j <= s.top(); j++) cout << j;
                break;
            }
            else cout << a[s.size() - 2];
        }
        s.pop();
    }
    return 0;
}