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Submission #31699

# Submission time Handle Problem Language Result Execution time Memory
31699 2017-08-31T12:20:17 Z top34051 Gondola (IOI14_gondola) C++14
75 / 100
 46 ms 7396 KB 
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
#define maxn 100005
#define mod 1000000009LL

int n,m,mx;
int a[maxn], vis[250005];
map<int,int> s;

int valid(int N, int p[]) {
    int i, x = 0, val;
    n = N;
    //Build
    for(i=0;i<n;i++) if(p[i]<=n) x = i;
    val = p[x];
    for(i=0;i<n;i++) a[x] = val, x = (x+1)%n, val = val%n+1;
    //Check
    for(i=0;i<n;i++) if(p[i]<=n && a[i]!=p[i]) return 0;
    //Rep
    memset(vis,0,sizeof(vis));
    for(i=0;i<n;i++) {
        if(vis[p[i]]) return 0;
        vis[p[i]] = 1;
    }
    return 1;
}

int replacement(int N, int p[], int res[]) {
    int i, x=-1, val;
    n = N;
    //Build
    for(i=0;i<n;i++) if(p[i]<=n) x = i;
    if(x==-1) val = 1, x = 0;
    else val = p[x];
    for(i=0;i<n;i++) a[x] = val, x = (x+1)%n, val = val%n+1;
    //Check
    for(i=0;i<n;i++) {
        mx = max(mx,p[i]);
        if(p[i]>n) s[p[i]] = i;
    }
    m = 0;
    for(i=n+1;i<=mx;i++) {
        if(s.find(i)!=s.end()) res[m++] = a[s[i]], a[s[i]] = i, s.erase(s.find(i));
        else if(s.size()>0) res[m++] = a[s.begin()->second], a[s.begin()->second] = i;
        else return 0;
    }
    return m;
}

int countReplacement(int N, int p[]) {
    int i, x=-1, val, cy;
    long long ans;
    n = N;
    //Build
    cy = 0;
    for(i=0;i<n;i++) if(p[i]<=n) x = i;
    if(x==-1) val = 1, x = 0, cy = 1;
    else val = p[x];
    for(i=0;i<n;i++) a[x] = val, x = (x+1)%n, val = val%n+1;
    //Check
    for(i=0;i<n;i++) if(p[i]<=n && a[i]!=p[i]) return 0;
    //Rep
    memset(vis,0,sizeof(vis));
    for(i=0;i<n;i++) {
        if(vis[p[i]]) return 0;
        vis[p[i]] = 1;
    }
    //Check
    for(i=0;i<n;i++) {
        mx = max(mx,p[i]);
        if(p[i]>n) s[p[i]] = i;
    }
    m = 0; ans = 1;
    for(i=n+1;i<=mx;i++) {
        if(s.find(i)!=s.end()) s.erase(s.find(i));
        else if(s.size()>0) ans = ((ans*s.size())%mod + mod)%mod;//, printf("%d: s.size() = %d\n",i,s.size());
        else return 0;
    }
    if(cy) {
        printf("%d",1/0);
        for(i=1;i<=n;i++) ans = ((ans*i)%mod + mod)%mod;
    }
    return ans;
}

Compilation message

gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:81:22: warning: division by zero [-Wdiv-by-zero]
         printf("%d",1/0);
                      ^

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 6 ms 4756 KB Output is correct
7 Correct 13 ms 4756 KB Output is correct
8 Correct 9 ms 4756 KB Output is correct
9 Correct 3 ms 4756 KB Output is correct
10 Correct 13 ms 4756 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 6 ms 4756 KB Output is correct
7 Correct 9 ms 4756 KB Output is correct
8 Correct 9 ms 4756 KB Output is correct
9 Correct 3 ms 4756 KB Output is correct
10 Correct 9 ms 4756 KB Output is correct
11 Correct 0 ms 4756 KB Output is correct
12 Correct 0 ms 4756 KB Output is correct
13 Correct 3 ms 4756 KB Output is correct
14 Correct 0 ms 4756 KB Output is correct
15 Correct 13 ms 4756 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 0 ms 4756 KB Output is correct
7 Correct 0 ms 4756 KB Output is correct
8 Correct 0 ms 4756 KB Output is correct
9 Correct 0 ms 4756 KB Output is correct
10 Correct 0 ms 4756 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 0 ms 4756 KB Output is correct
7 Correct 0 ms 4756 KB Output is correct
8 Correct 0 ms 4756 KB Output is correct
9 Correct 0 ms 4756 KB Output is correct
10 Correct 0 ms 4756 KB Output is correct
11 Correct 9 ms 4756 KB Output is correct
12 Correct 26 ms 4756 KB Output is correct
13 Correct 26 ms 6208 KB Output is correct
14 Correct 6 ms 4756 KB Output is correct
15 Correct 19 ms 5548 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct

Subtask #8
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 0 ms 4756 KB Output is correct
7 Correct 0 ms 4756 KB Output is correct
8 Correct 0 ms 4756 KB Output is correct

Subtask #9
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 0 ms 4756 KB Output is correct
7 Correct 0 ms 4756 KB Output is correct
8 Correct 0 ms 4756 KB Output is correct
9 Correct 46 ms 7396 KB Output is correct
10 Correct 39 ms 6736 KB Output is correct
11 Correct 13 ms 5812 KB Output is correct
12 Correct 19 ms 6076 KB Output is correct
13 Runtime error 3 ms 5020 KB Execution killed with signal 8 (could be triggered by violating memory limits)

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 4756 KB Output is correct
2 Correct 0 ms 4756 KB Output is correct
3 Correct 0 ms 4756 KB Output is correct
4 Correct 0 ms 4756 KB Output is correct
5 Correct 0 ms 4756 KB Output is correct
6 Correct 0 ms 4756 KB Output is correct
7 Correct 0 ms 4756 KB Output is correct
8 Correct 0 ms 4756 KB Output is correct
9 Correct 43 ms 7396 KB Output is correct
10 Correct 43 ms 6736 KB Output is correct
11 Correct 23 ms 5812 KB Output is correct
12 Correct 19 ms 6076 KB Output is correct
13 Runtime error 6 ms 5020 KB Execution killed with signal 8 (could be triggered by violating memory limits)
14 Halted 0 ms 0 KB -