# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
285518 |
2020-08-29T07:54:55 Z |
erd1 |
Gondola (IOI14_gondola) |
C++14 |
|
0 ms |
0 KB |
#include "gondola.h"
#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define pb push_back
typedef int64_t lld;
typedef pair<int, int> pii;
typedef long double ld;
int valid(int n, int inputSeq[]) {
set<int> uses;
for(int i = 0; i < n; i++)if(gondolaSeq[i] <= n){
rotate(gondolaSeq, gondolaSeq+i, gondolaSeq+n);
if(gondolaSeq[0] != 1) rotate(gondolaSeq, gondolaSeq + (n-gondolaSeq[0]+1), gondolaSeq + n);
break;
}
for(int i = 0; i < n; i++)
if(inputSeq[i] == i+1) continue;
else if(inputSeq[i] <= n)return 0; else if(uses.count(inputSeq[i])) return 0; else uses.insert(inputSeq[i]);
return 1;
}
//----------------------
int replacement(int n, int gondolaSeq[], int replacementSeq[]) {
map<int, int> mp;
for(int i = 0; i < n; i++)if(gondolaSeq[i] <= n){
rotate(gondolaSeq, gondolaSeq+i, gondolaSeq+n);
if(gondolaSeq[0] != 1) rotate(gondolaSeq, gondolaSeq + (n-gondolaSeq[0]+1), gondolaSeq + n);
break;
}
for(int i = 0; i < n; i++)if(gondolaSeq[i] > n)mp[gondolaSeq[i]] = i+1;
int cur = 0;
for(auto i: mp){
int l = i.ss;
while(cur+n < i.ff)
replacementSeq[cur++] = l, l = n+cur;
}
return cur;
}
//----------------------
int countReplacement(int n, int inputSeq[]) {
if(!isValid(n, inputSeq))return 0;
}
Compilation message
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:14:32: error: 'gondolaSeq' was not declared in this scope
14 | for(int i = 0; i < n; i++)if(gondolaSeq[i] <= n){
| ^~~~~~~~~~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:47:7: error: 'isValid' was not declared in this scope; did you mean 'valid'?
47 | if(!isValid(n, inputSeq))return 0;
| ^~~~~~~
| valid
gondola.cpp:49:1: warning: control reaches end of non-void function [-Wreturn-type]
49 | }
| ^