Submission #1923172

---

Source Code Expand

#include <bits/stdc++.h>
using namespace std;
int a,b;
void solve()
{
    string str;
    cin>>str;
    int i,len=str.length(),res1=0,res2=0;
    if (a+b+1==len)
    {
        if (str[a]=='-')
        {
            int tag=0;
            for (i=0;i<len;i++)
                if (i!=a)
                {
                    if (str[i]>='0'&&str[i]<='9') ;
                    else {tag=1;break;}
                }
            if (tag) cout<<"No";
            else cout<<"Yes";
        }
        else cout<<"No";
    }
    else cout<<"No";
    cout<<endl;
}
int main()
{
    while(cin>>a>>b)
        solve();
}

Submission Info

Judge Result