Submission #8548

# Submission time Handle Problem Language Result Execution time Memory
8548 2014-09-16T06:20:30 Z gs14004 Gondola (IOI14_gondola) C++
35 / 100
20 ms 3388 KB
#include <cstdio>
#include <algorithm>
#include <queue>
#include <utility>
#include <set>
#include "gondola.h"

using namespace std;
typedef pair<int,int> pi;

int valid(int n, int inputSeq[]){
    set<int> s;
    for (int i=0; i<n; i++) {
        if(s.find(inputSeq[i]) == s.end()) return 0;
        s.insert(inputSeq[i]);
    }
    int piv = -1;
    for (int i=0; i<n; i++) {
        if(inputSeq[i] <= n){
            if(piv == -1){
                piv = i;
            }
            else{
                int res = i + (inputSeq[piv] - piv) + n;
                res %= n;
                if(res == 0) res = n;
                if(inputSeq[i] != res) return 0;
            }
        }
    }
    return 1;
}

priority_queue<pi,vector<pi>,greater<pi> > pq, pq2;

int replacement(int n, int gondolaSeq[], int replacementSeq[]){
    int piv = 0, piv2 = n+1, piv3 = 0;
    for (int i=0; i<n; i++) {
        if(gondolaSeq[i] <= n){
            piv = gondolaSeq[i] - i - 1+ n;
            piv %= n;
        }
    }
    int newSeq[100005] = {};
    for (int i=0; i<n; i++) {
        newSeq[i] = gondolaSeq[(i + n - piv)%n];
        if(newSeq[i] > n) pq.push(pi(newSeq[i],i+1));
    }
    while (!pq.empty()) {
        pi x = pq.top();
        pq.pop();
        replacementSeq[piv3++] = x.second;
        for (int i=piv2; i<x.first; i++) {
            replacementSeq[piv3++] = i;
        }
        piv2 = x.first + 1;
    }
    return piv3;
}

long long pow(int x, int time){
    long long res = 1;
    for (int i=0; i<time; i++) {
        res *= x;
        res %= 1000000009;
    }
    return res;
}

int newSeq[100005];
int countReplacement(int n, int inputSeq[]){
    if(!valid(n,inputSeq)) return 0;
    int piv = 0, piv2 = n, cnt = 0;
    long long res = 1;
    for (int i=0; i<n; i++) {
        if(inputSeq[i] > n) newSeq[piv++] = inputSeq[i];
    }
    if(piv == n) res = piv;
    if(piv == 0) return 1;
    cnt = piv;
    sort(newSeq,newSeq+piv);
    for (int i=0; i<piv; i++) {
        res *= pow(cnt,newSeq[i] - piv2 - 1);
        piv2 = newSeq[i];
        cnt--;
        res %= 1000000009;
    }
    return (int)res;
}
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3000 KB Output is correct
2 Correct 0 ms 3000 KB Output is correct
3 Correct 0 ms 3000 KB Output is correct
4 Correct 0 ms 3000 KB Output is correct
5 Correct 0 ms 3000 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3000 KB Output is correct
2 Correct 0 ms 3000 KB Output is correct
3 Correct 0 ms 3000 KB Output is correct
4 Correct 0 ms 3000 KB Output is correct
5 Correct 0 ms 3000 KB Output is correct
6 Correct 0 ms 3000 KB Output is correct
7 Correct 0 ms 3000 KB Output is correct
8 Correct 0 ms 3000 KB Output is correct
9 Correct 0 ms 3000 KB Output is correct
10 Correct 0 ms 3000 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3000 KB Output is correct
2 Correct 0 ms 3000 KB Output is correct
3 Correct 0 ms 3000 KB Output is correct
4 Correct 0 ms 3000 KB Output is correct
5 Correct 0 ms 3000 KB Output is correct
6 Correct 0 ms 3000 KB Output is correct
7 Correct 0 ms 3000 KB Output is correct
8 Correct 0 ms 3000 KB Output is correct
9 Correct 0 ms 3000 KB Output is correct
10 Correct 0 ms 3000 KB Output is correct
11 Correct 8 ms 3000 KB Output is correct
12 Correct 16 ms 3000 KB Output is correct
13 Correct 20 ms 3388 KB Output is correct
14 Correct 12 ms 3000 KB Output is correct
15 Correct 20 ms 3388 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 3000 KB Output isn't correct
2 Halted 0 ms 0 KB -