Submission #219139

#TimeUsernameProblemLanguageResultExecution timeMemory
219139summitweiGondola (IOI14_gondola)C++17
55 / 100
63 ms10360 KiB
#include <bits/stdc++.h> #include <gondola.h> using namespace std; typedef vector<int> vi; typedef vector<pair<int, int> > vpii; typedef pair<int, int> pii; typedef long long ll; typedef pair<ll, ll> pll; typedef pair<double, double> pdd; typedef vector<ll> vll; #define INF 0x3f3f3f3f #define MOD 1000000007LL #define EPSILON 0.00001 #define f first #define s second #define pb push_back #define mp make_pair #define FOR(i, a, b) for (ll i=(a); i<=(signed)(b); i++) #define F0R(i, a) for (ll i=0; i<(signed)(a); i++) #define RFOR(i, a, b) for (ll i=(a); i >= b; i--) #define MN 100005 int rep[MN*2]; int valid(int n, int inputSeq[]){ F0R(i, n) rep[i] = rep[i+n] = inputSeq[i]; int loc = min_element(rep, rep+2*n)-rep; F0R(i, n) inputSeq[i] = rep[i+loc]; set<int> hmm; int v = -1; if(inputSeq[0] <= n) v = inputSeq[0]; F0R(i, n){ if(hmm.count(rep[i])) return 0; hmm.insert(rep[i]); if(inputSeq[i]<=n && inputSeq[i]-i != v) return 0; } return 1; } int replacement(int n, int gondolaSeq[], int replacementSeq[]){ //return 0; valid(n, gondolaSeq); map<int, int> ree; int v = 1; if(gondolaSeq[0] <= n) v = gondolaSeq[0]; F0R(i, n){ if(gondolaSeq[i] > n) ree[gondolaSeq[i]] = i+v>n?i+v-n:i+v; } if(ree.empty()){ return 0; } int mx = (--ree.end())->f; int cur = (--ree.end())->s; FOR(i, n+1, mx){ if(ree[i] == 0){ replacementSeq[i-n-1] = cur; cur = i; } else if(i == mx){ replacementSeq[i-n-1] = cur; } else{ replacementSeq[i-n-1] = ree[i]; } } return mx-n; } int countReplacement(int n, int inputSeq[]){ return 0; } /*int main(){ ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; int a[n], b[10]; F0R(i, n) cin >> a[i]; int x = replacement(n, a, b); cout << x << "\n"; F0R(i, x) cout << b[i] << " "; cout << "\n"; return 0; }*/
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