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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#373678 | #2833. Hamilton | PetroTarnavskyi | RE | 1ms | 3540kb | C++20 | 1.5kb | 2024-04-01 22:08:12 | 2024-04-01 22:08:13 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, b, a) for(int i = (b) - 1; i >= (a); i--)
#define SZ(a) (int)a.size()
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
int n;
vector<string> g;
bool ok(const VI& a)
{
int mx = 0;
FOR(i, 0, SZ(a))
{
int cur = a[i];
int nx = a[(i + 1) % n];
int val = g[cur][nx] - '0';
if(val < mx)
return 0;
mx = max(mx, val);
}
return 1;
}
void solve()
{
g.resize(n);
FOR(i, 0, n)
cin >> g[i];
VI ans = {0, 1, 2};
if(!ok(ans))
ans = {1, 2, 0};
if(!ok(ans))
ans = {2, 0, 1};
assert(ok(ans));
FOR(i, 3, n)
{
VI cands = {0, i};
FOR(j, 0, i)
{
int pr = ans[(j + i - 1) % i];
int cur = ans[j];
int nx = ans[(j + 1) % i];
if(g[cur][pr] == g[cur][nx])
continue;
cands.PB(j);
cands.PB(j + 1);
}
for(int pos : cands)
{
VI nans = ans;
nans.insert(nans.begin() + pos, i);
if(ok(nans))
{
ans = nans;
break;
}
}
assert(SZ(ans) == i + 1);
}
FOR(i, 0, n)
{
if(i)
cout << " ";
cout << ans[i] + 1;
}
cout << "\n";
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
while(cin >> n)
solve();
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3540kb
input:
3 001 000 100 4 0000 0000 0000 0000
output:
1 2 3 4 1 2 3
result:
ok 2 cases.
Test #2:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
3 000 000 000 3 010 100 000 3 011 100 100 3 011 101 110
output:
1 2 3 2 3 1 2 3 1 1 2 3
result:
ok 4 cases.
Test #3:
score: -100
Runtime Error
input:
4 0000 0000 0000 0000 4 0000 0001 0000 0100 4 0100 1010 0100 0000 4 0111 1000 1000 1000 4 0010 0011 1101 0110 4 0111 1011 1100 1100 4 0111 1011 1101 1110 4 0000 0011 0101 0110 4 0101 1010 0100 1000 4 0011 0011 1100 1100 4 0010 0001 1000 0100