Submission #55652

#	Time	Username	Problem	Language	Result	Execution time	Memory
55652		leehosu01	Board (CEOI13_board)	C++17	Compilation error	0 ms	0 KiB

board

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
class IB{
public:
    bitset<101111>NB;
    int DE;
    IB(){DE=0;NB.reset();}
    void operator<<(int n){for(;n--;DE++)NB.reset(DE);}
    void operator>>(int n){for(;n--;DE--)NB.reset(DE);}
    void operator++()
    {
        int i;
        for(i=DE-1;i>=0;i--)
            if(NB.test(i))
                NB.reset(i);
            else break;
        if(i==-1)NB.set(0),DE++;
        else NB.set(i);
    }
    void operator--()
    {
        int i;
        for(i=DE-1;i>=0;i--)
            if(!NB.test(i))
                NB.set(i);
            else break;
        if(i==-1)NB.set(DE),DE++;
        else NB.reset(i);
    }
    bool operator< (const IB&X)const
    {
        for(int i=0;i<max(DE,X.DE);i++)
            if(NB.test(DE-X.DE+i)!=X.NB.test(i))
                return X.NB.test(i);
        return 0;
    }
}tr[2];
ll mi=1<<30;
ll pro(int l)
{
    static ll T=0; static int i=0;
    for(;i<l;i++)
    {
        T<<=1;
        T+=(ll)tr[1].NB.test(i)-tr[0].NB.test(i);
    }
    return T;
}
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);
    string S;
    for(int i=0;i<=1;i++)
    {
        cin>>S;
        for(auto&I:S)
        {
            if(I=='1')tr[i]<<1;
            else if(I=='2')tr[i]<<1,++tr[i];
            else if(I=='U')tr[i]>>1;
            else if(I=='L')--tr[i];
            else if(I=='R')++tr[i];
        }
    }
    int i;
    if(tr[1]<tr[0])swap(tr[0],tr[1]);
    for(i=0;i<=tr[1].DE;i++)
    {-0
  	    ll TP=pro(i);
        mi=min(mi,abs(i-tr[0].DE)+abs(i-tr[1].DE)+TP);
      	if(TP>mi)break;
    }
    cout<<mi;
}

Compilation message (stderr)

board.cpp: In function 'int main()':
board.cpp:71:8: error: expected ';' before 'll'
        ll TP=pro(i);
        ^~
board.cpp:70:6: warning: statement has no effect [-Wunused-value]
     {-0
      ^~
board.cpp:72:51: error: 'TP' was not declared in this scope
         mi=min(mi,abs(i-tr[0].DE)+abs(i-tr[1].DE)+TP);
                                                   ^~