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Submission #8526

# Submission time Handle Problem Language Result Execution time Memory
8526 2014-09-16T04:03:11 Z gs14004 Gondola (IOI14_gondola) C++
90 / 100
 44 ms 6492 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[]){
    int v[250005]={};
    for (int i=0; i<n; i++) {
        if(v[inputSeq[i]]) return 0;
        v[inputSeq[i]] = 1;
    }
    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;
set<int> mp;

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;
}

int countReplacement(int n, int inputSeq[]){
    if(!valid(n,inputSeq)) return 0;
    int piv = 0, piv2 = n + 1, cnt = 0;
    long long mod = 1e9 + 9;
    long long res = 1;
    int exception = 1;
    for (int i=0; i<n; i++) {
        if(inputSeq[i] <= n){
            piv = inputSeq[i] - i - 1+ n;
            piv %= n;
            exception = 0;
        }
    }
    int newSeq[100005] = {};
    for (int i=0; i<n; i++) {
        newSeq[i] = inputSeq[(i + n - piv)%n];
        if(newSeq[i] > n) {
            cnt++;
            mp.insert(newSeq[i]);
        }
    }
    if(exception) res = cnt;
    while (cnt) {
        if(mp.find(piv2) == mp.end()) res *= cnt;
        else cnt--;
        res %= mod;
        piv2++;
    }
    return (int)res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3460 KB Output is correct
2 Correct 0 ms 3460 KB Output is correct
3 Correct 0 ms 3456 KB Output is correct
4 Correct 0 ms 3460 KB Output is correct
5 Correct 0 ms 3456 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3456 KB Output is correct
2 Correct 0 ms 3464 KB Output is correct
3 Correct 0 ms 3464 KB Output is correct
4 Correct 0 ms 3456 KB Output is correct
5 Correct 0 ms 3456 KB Output is correct
6 Correct 4 ms 3460 KB Output is correct
7 Correct 8 ms 3464 KB Output is correct
8 Correct 12 ms 3460 KB Output is correct
9 Correct 4 ms 3456 KB Output is correct
10 Correct 12 ms 3456 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3464 KB Output is correct
2 Correct 0 ms 3460 KB Output is correct
3 Correct 0 ms 3464 KB Output is correct
4 Correct 0 ms 3464 KB Output is correct
5 Correct 0 ms 3460 KB Output is correct
6 Correct 0 ms 3456 KB Output is correct
7 Correct 12 ms 3460 KB Output is correct
8 Correct 8 ms 3456 KB Output is correct
9 Correct 4 ms 3456 KB Output is correct
10 Correct 12 ms 3456 KB Output is correct
11 Correct 0 ms 3456 KB Output is correct
12 Correct 0 ms 3460 KB Output is correct
13 Correct 4 ms 3460 KB Output is correct
14 Correct 0 ms 3460 KB Output is correct
15 Correct 16 ms 3456 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2608 KB Output is correct
2 Correct 0 ms 2608 KB Output is correct
3 Correct 0 ms 2608 KB Output is correct
4 Correct 0 ms 2608 KB Output is correct
5 Correct 0 ms 2608 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2608 KB Output is correct
2 Correct 0 ms 2608 KB Output is correct
3 Correct 0 ms 2608 KB Output is correct
4 Correct 0 ms 2608 KB Output is correct
5 Correct 0 ms 2608 KB Output is correct
6 Correct 0 ms 2608 KB Output is correct
7 Correct 0 ms 2608 KB Output is correct
8 Correct 0 ms 2608 KB Output is correct
9 Correct 0 ms 2608 KB Output is correct
10 Correct 0 ms 2608 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2608 KB Output is correct
2 Correct 0 ms 2608 KB Output is correct
3 Correct 0 ms 2608 KB Output is correct
4 Correct 0 ms 2608 KB Output is correct
5 Correct 0 ms 2608 KB Output is correct
6 Correct 0 ms 2608 KB Output is correct
7 Correct 0 ms 2608 KB Output is correct
8 Correct 0 ms 2608 KB Output is correct
9 Correct 0 ms 2608 KB Output is correct
10 Correct 0 ms 2608 KB Output is correct
11 Correct 12 ms 2608 KB Output is correct
12 Correct 16 ms 2608 KB Output is correct
13 Correct 16 ms 2996 KB Output is correct
14 Correct 8 ms 2608 KB Output is correct
15 Correct 28 ms 2996 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3848 KB Output is correct
2 Correct 0 ms 3848 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3852 KB Output is correct
2 Correct 0 ms 3848 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3848 KB Output is correct
5 Correct 0 ms 3852 KB Output is correct
6 Correct 0 ms 3852 KB Output is correct
7 Correct 0 ms 3852 KB Output is correct
8 Correct 0 ms 3848 KB Output is correct

Subtask #9
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3848 KB Output is correct
2 Correct 0 ms 3852 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3848 KB Output is correct
5 Correct 0 ms 3848 KB Output is correct
6 Correct 0 ms 3848 KB Output is correct
7 Correct 0 ms 3848 KB Output is correct
8 Correct 0 ms 3848 KB Output is correct
9 Correct 44 ms 6488 KB Output is correct
10 Correct 24 ms 5832 KB Output is correct
11 Correct 16 ms 4776 KB Output is correct
12 Correct 16 ms 5040 KB Output is correct
13 Correct 4 ms 4112 KB Output is correct

Subtask #10
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3848 KB Output is correct
2 Correct 0 ms 3852 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3848 KB Output is correct
5 Correct 0 ms 3852 KB Output is correct
6 Correct 0 ms 3852 KB Output is correct
7 Correct 0 ms 3848 KB Output is correct
8 Correct 0 ms 3848 KB Output is correct
9 Correct 36 ms 6492 KB Output is correct
10 Correct 24 ms 5832 KB Output is correct
11 Correct 16 ms 4776 KB Output is correct
12 Correct 20 ms 5036 KB Output is correct
13 Correct 4 ms 4116 KB Output is correct
14 Runtime error 16 ms 3848 KB SIGBUS Bus error
15 Halted 0 ms 0 KB -