Submission #292101

#	Time	Username	Problem	Language	Result	Execution time	Memory
292101		mat_v	Gondola (IOI14_gondola)	C++14	20 / 100	22 ms	1528 KiB

gondola

#include "gondola.h"
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
#define fb(i,a,b) for(int (i) = (a); (i) >= (b); --(i))
#define mod 998244353
#define xx first
#define yy second
#define all(a) (a).begin(), (a).end()
#define pb push_back
#define ll long long
#define pii pair<int,int>


using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>,rb_tree_tag, tree_order_statistics_node_update> ordered_set;/// find_by_order(x)(x+1th) , order_of_key() (strictly less)
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());

int tmp[100005];

int valid(int n, int inputSeq[])
{
    vector<int> svi;
    ff(i,0,n - 1)svi.pb(inputSeq[i]);
    sort(svi.begin(), svi.end());
    ff(i,0,n - 2)if(svi[i] == svi[i + 1])return 0;

    int gde = -1;
    ff(i,0,n - 1){
        if(inputSeq[i] <= n){
            gde = i;
            break;
        }
    }
    if(gde == -1)return 1;
    ff(i,gde,gde+n-1){
        tmp[i%n] = inputSeq[gde] + i - gde;
        if(tmp[i%n] > n)tmp[i%n] -= n;
    }
    ff(i,0,n - 1){
        if(inputSeq[i] <= n && inputSeq[i] != tmp[i])return 0;
    }
    return 1;
}

//----------------------

int replacement(int n, int gondolaSeq[], int replacementSeq[])
{
  return -2;
}

//----------------------

int countReplacement(int n, int inputSeq[])
{
  return -3;
}

Compilation message (stderr)

gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    7 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
gondola.cpp:28:5: note: in expansion of macro 'ff'
   28 |     ff(i,0,n - 1)svi.pb(inputSeq[i]);
      |     ^~
gondola.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    7 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
gondola.cpp:30:5: note: in expansion of macro 'ff'
   30 |     ff(i,0,n - 2)if(svi[i] == svi[i + 1])return 0;
      |     ^~
gondola.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    7 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
gondola.cpp:33:5: note: in expansion of macro 'ff'
   33 |     ff(i,0,n - 1){
      |     ^~
gondola.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    7 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
gondola.cpp:40:5: note: in expansion of macro 'ff'
   40 |     ff(i,gde,gde+n-1){
      |     ^~
gondola.cpp:7:27: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
    7 | #define ff(i,a,b) for(int (i) = (a); (i) <= (b); ++(i))
      |                           ^
gondola.cpp:44:5: note: in expansion of macro 'ff'
   44 |     ff(i,0,n - 1){
      |     ^~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 10 / 10
• Subtask 4: 0 / 5
• Subtask 5: 0 / 10
• Subtask 6: 0 / 20
• Subtask 7: 0 / 5
• Subtask 8: 0 / 15
• Subtask 9: 0 / 15
• Subtask 10: 0 / 10