zoj1402

简单题

#include <iostream>#include <vector>using namespace std;int main(){    vector<int> balls;    int num,b = 0,c = 0;    while(1)    {        cin >> num;        if(!num) break;        balls.clear();        while(num--)        {            cin >> b;            balls.push_back(b);        }        b = 0;        c = 0;        for(int i = 0;i<balls.size();i++)            b += balls[i];        for(int i = 0;i<balls.size();i++)        {            b = b - balls[i];            c += balls[i];            if(b == c)            {                cout << "Sam stops at position " << i + 1 <<" and Ella stops at position " << i + 2<<"."<<endl;                break;            }else if(i == balls.size()-1)                cout << "No equal partitioning." << endl;        }    }    return 0;}