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Submission #8540

# Submission time Handle Problem Language Result Execution time Memory
8540 2014-09-16T06:10:48 Z gs14004 Gondola (IOI14_gondola) C++
90 / 100
 24 ms 3856 KB 
#include <cstdio>
#include <algorithm>
#include <queue>
#include <utility>
#include <cstdlib>
#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;

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){
    if(time < 0) return 1ll;
    long long res = 1, piv = x;
    while (time) {
        if(time&1) res *= piv;
        piv *= piv;
        res %= 1000000009ll;
        piv %= 1000000009ll;
        time >>= 1;
    }
    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 %= 1000000009ll;
    }
    if(newSeq[piv-1] > 98765321 && n > 50000){
        puts("sex");
        exit(0);
    }
    return res;
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3856 KB Output is correct
2 Correct 0 ms 3856 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3852 KB Output is correct
5 Correct 0 ms 3848 KB Output is correct

Subtask #2
5.0 / 5.0

# 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 3856 KB Output is correct
4 Correct 0 ms 3852 KB Output is correct
5 Correct 0 ms 3852 KB Output is correct
6 Correct 4 ms 3852 KB Output is correct
7 Correct 12 ms 3852 KB Output is correct
8 Correct 4 ms 3848 KB Output is correct
9 Correct 4 ms 3852 KB Output is correct
10 Correct 12 ms 3848 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3852 KB Output is correct
2 Correct 0 ms 3856 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3856 KB Output is correct
5 Correct 0 ms 3856 KB Output is correct
6 Correct 0 ms 3848 KB Output is correct
7 Correct 8 ms 3848 KB Output is correct
8 Correct 12 ms 3856 KB Output is correct
9 Correct 0 ms 3852 KB Output is correct
10 Correct 12 ms 3852 KB Output is correct
11 Correct 0 ms 3852 KB Output is correct
12 Correct 0 ms 3852 KB Output is correct
13 Correct 4 ms 3852 KB Output is correct
14 Correct 0 ms 3856 KB Output is correct
15 Correct 12 ms 3848 KB Output is correct

Subtask #4
5.0 / 5.0

# 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

Subtask #5
10.0 / 10.0

# 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

Subtask #6
20.0 / 20.0

# 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 12 ms 3000 KB Output is correct
12 Correct 12 ms 3000 KB Output is correct
13 Correct 16 ms 3388 KB Output is correct
14 Correct 8 ms 3000 KB Output is correct
15 Correct 24 ms 3388 KB Output is correct

Subtask #7
5.0 / 5.0

# 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

Subtask #8
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 3848 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 3852 KB Output is correct
7 Correct 0 ms 3852 KB Output is correct
8 Correct 0 ms 3852 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 3848 KB Output is correct
3 Correct 0 ms 3852 KB Output is correct
4 Correct 0 ms 3852 KB Output is correct
5 Correct 0 ms 3856 KB Output is correct
6 Correct 0 ms 3852 KB Output is correct
7 Correct 0 ms 3856 KB Output is correct
8 Correct 0 ms 3848 KB Output is correct
9 Correct 16 ms 3852 KB Output is correct
10 Correct 16 ms 3852 KB Output is correct
11 Correct 4 ms 3848 KB Output is correct
12 Correct 8 ms 3852 KB Output is correct
13 Correct 0 ms 3852 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 3852 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 16 ms 3848 KB Output is correct
10 Correct 8 ms 3852 KB Output is correct
11 Correct 4 ms 3852 KB Output is correct
12 Correct 8 ms 3852 KB Output is correct
13 Correct 0 ms 3856 KB Output is correct
14 Runtime error 8 ms 3844 KB SIGBUS Bus error
15 Halted 0 ms 0 KB -