# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1063711 | pawned | Gondola (IOI14_gondola) | C++17 | 17 ms | 5972 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.
#pragma GCC optimize("O1,O2,O3,Ofast,unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pb push_back
typedef long long ll;
typedef pair<ll, ll> ii;
typedef vector<ll> vi;
#include "gondola.h"
int valid(int N, int inputSeq[]) {
vi a;
for (int i = 0; i < N; i++) {
a.pb(inputSeq[i] - 1);
}
int fpos = -1; // fixed position
int fval = -1; // fixed val at position
for (int i = 0; i < N; i++) {
if (a[i] < N) {
fpos = i;
fval = a[i];
}
}
vi b;
if (fval > fpos) {
int s = fval - fpos;
for (int i = N - s; i < N; i++) {
b.pb(a[i]);
}
for (int i = 0; i < N - s; i++) {
b.pb(a[i]);
}
}
else {
int s = fpos - fval;
for (int i = s; i < N; i++) {
b.pb(a[i]);
}
for (int i = 0; i < s; i++) {
b.pb(a[i]);
}
}
for (int i = 0; i < N; i++) {
if (b[i] < N) {
if (b[i] != i)
return 0;
}
}
// all values must be diff
set<int> allv;
for (int x : b)
allv.insert(x);
if (allv.size() != N)
return 0;
return 1;
}
int replacement(int N, int gondolaSeq[], int replacementSeq[]) {
return -2;
}
int countReplacement(int N, int inputSeq[]) {
return -3;
}
Compilation message (stderr)
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