online_judge_1095

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#include <iostream>#include <string>using namespace std;int a[15] = {1,2,4,8,16,32,64,128,256,512,1024,2048,4096,8192,16384};string str[15] = {"2(0)","2","2(2)","2(2+2(0))","2(2(2))","2(2(2)+2(0))","2(2(2)+2)",    "2(2(2)+2+2(0))","2(2(2+2(0)))","2(2(2+2(0))+2(0))","2(2(2+2(0))+2)","2(2(2+2(0))+2+2(0))",    "2(2(2+2(0))+2(2))","2(2(2+2(0))+2(2)+2(0))","2(2(2+2(0))+2(2)+2)"};bool flag;void expone(int n){    for(int i=14; i>=0; i--)    {        if(n<a[i])            continue;        else        {            if(flag)            {                cout<<"+"<<str[i];            }            else            {                flag = true;                cout<<str[i];            }            n -= a[i];        }    }}int main(){    int n;    while(cin>>n)    {        flag = false;        expone(n);        cout<<endl;    }    return 0;}

这个题目很好，，可惜我是水过的……

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