# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1065661 | andrei_iorgulescu | Gondola (IOI14_gondola) | C++14 | 22 ms | 11344 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#include "gondola.h"
#warning That's not FB, that's my FB
using namespace std;
int valid(int n, int inputSeq[])
{
for (int i = 0; i < n; i++)
inputSeq[i]--;
int shift = -1;
for (int i = 0; i < n; i++)
{
if (inputSeq[i] < n)
{
int cur_shift = (n + inputSeq[i] - i) % n;
if (shift == -1)
shift = cur_shift;
else if (shift != cur_shift)
return 0;
}
}
return 1;
}
int replacement(int n, int gondolaSequence[], int replacementSeq[])
{
for (int i = 0; i < n; i++)
gondolaSequence[i]--;
int mxe = 0;
for (int i = 0; i < n; i++)
mxe = max(mxe, gondolaSequence[i]);
vector<int> pos(mxe + 5), ans(mxe + 5);
for (int i = 0; i <= mxe; i++)
pos[i] = -1;
for (int i = 0; i < n; i++)
pos[gondolaSequence[i]] = i;
set<int> spatii;
for (int i = mxe; i >= 0; i--)
{
if (pos[i] == -1)
ans[i] = *spatii.begin();
else
ans[i] = pos[i], spatii.insert(pos[i]);
}
int shift = 0;
for (int i = 0; i < n; i++)
{
if (gondolaSequence[i] < n)
{
shift = (n + gondolaSequence[i] - i) % n;
}
}
vector<vector<int>> lol(n);
for (int i = 0; i < n; i++)
lol[i].push_back((i + shift) % n);
for (int i = n; i <= mxe; i++)
lol[ans[i]].push_back(i);
vector<int> cur(n);
for (int i = n; i <= mxe; i++)
{
replacementSeq[i - n] = lol[ans[i]][cur[ans[i]]];
cur[ans[i]]++;
}
for (int i = 0; i <= mxe - n; i++)
replacementSeq[i]++;
return mxe - n + 1;
}
int countReplacement(int n, int inputSeq[])
{
return -1;
}
Compilation message (stderr)
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