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QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #338267 | #8058. Binary vs Ternary | YMH_fourteen | RE | 0ms | 3532kb | C++14 | 1.3kb | 2024-02-25 19:48:59 | 2024-02-25 19:49:00 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#ifdef DEBUG
#include "templates/debug.h"
#else
#define dbg(...) (void)0
#define msg(...) (void)0
#endif
#define ll long long
#define endl '\n'
#define PB emplace_back
#define PPB pop_back
#define MP make_pair
#define ALL(Name) Name.begin(),Name.end()
#define PII pair<int,int>
#define VI vector<int>
#define fi first
#define se second
int main()
{
ios::sync_with_stdio(false),cin.tie(nullptr);
int _;cin>>_;while(_--)
{
string s,t;
cin>>s>>t;
if(s.size()==1||t.size()==1)
{
cout<<(s==t?0:-1)<<endl;
continue;
}
vector<PII>ops;
auto op=[&](int l,int r)
{
ops.PB(l+1,r+1);
ll num=0;
for(int i=l;i<=r;i++)
num=num*3+s[i]-'0';
s.erase(l,r-l+1);
string tmp;
if(!num)tmp="0";
while(num)tmp=char((num&1)+'0')+tmp,num>>=1;
s.insert(l,tmp);
};
for(int i=1,j=0;i<s.size();i++)
if(s[i]=='1')
{
if(i-j>1)op(j+1,i);
i=++j;
}
if(s.back()=='0')op(s.size()-2,s.size()-1);
for(int i=s.size()-3;~i;i--)
op(i,i+1);
op(1,s.size()-1);
for(int i=t.size()-1;i>1;i--)
{
op(0,1);
op(0,1);
if(t[i]=='1')op(1,2);
}
if(t[1]=='0')op(0,1),op(1,2);
assert(s==t);
cout<<ops.size()<<endl;
for(auto i:ops)cout<<i.fi<<" "<<i.se<<endl;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3532kb
input:
3 1 111 110110 1101010 1111 111111
output:
-1 18 3 4 4 5 3 4 2 3 1 2 2 8 1 2 1 2 1 2 1 2 2 3 1 2 1 2 1 2 1 2 2 3 1 2 1 2 15 2 3 1 2 2 6 1 2 1 2 2 3 1 2 1 2 2 3 1 2 1 2 2 3 1 2 1 2 2 3
result:
ok Haitang Suki (3 test cases)
Test #2:
score: -100
Runtime Error
input:
1000 11100 111 1 11110 10001 10 1011 1111 10 1110 1100 11 11010 11 110 11 1 10001 10110 10 10 11111 10000 1001 10 1 11 10111 11 10 1 100 11 10100 1 10 101 11 1100 110 11 1110 1 1001 1 11111 10 10010 10 11001 110 1010 10011 1110 10100 1001 1001 101 100 1 1001 11 101 11 101 1001 1 1 1011 1 10 10 1011 ...