Codeforces Round #494 (Div. 3) ----B

输出一串01串,其中有x个位置满足 Si != Si+1

我们先输出x/2个01或者10串,01还是10串,取决于0多还是1多,之后输出剩下的串,判读x的奇偶性,奇数的话,就先输出剩下的多的那个数字,然后输出少的,偶数相反

#include <bits/stdc++.h>
using namespace std;
int main(){
    int a,b,x,p,q;
    cin >> a >> b >> x;
    if (a > b) { p = 0 ; q = 1;}
    else { p = 1 ; q = 0;}
    for (int i=0; i<x/2; i++) {
        cout << p << q;
        a--; b--;
    }
    if (x & 1) {
        for (int i=0; i<max(a, b); i++) {
            cout << p;
        }
        for (int i=0; i<min(a, b); i++) {
            cout << q;
        }
    }else{
        for (int i=0; i<min(a, b); i++) {
            cout << q;
        }
        for (int i=0; i<max(a, b); i++) {
            cout << p;
        }
    }
    cout << endl;
    return 0;
}


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转载自blog.csdn.net/CCCCTong/article/details/80950696