#include <iostream>
#include <set>
#include <gondola.h>
using namespace std;
#define FOR(i, a, b) for(int i = a; i <= b; i++)
int diff(int n, int a, int b){
if(b >= a) return b - a;
else return (n - a) + b;
}
int valid(int n, int inputSeq[]){
pair<int, int> prev = make_pair(-1, 0);
set<int> s;
FOR(i, 0, n - 1){
if(inputSeq[i] <= n){
if(prev.first == -1){
prev = make_pair(i, inputSeq[i]);
}else{
if((((prev.second + diff(n, prev.first, i)) % n) == 0 ? n : ((prev.second + diff(n, prev.first, i)) % n)) != inputSeq[i]) return 0;
prev = make_pair(i, inputSeq[i]);
}
}else{
if(s.find(inputSeq[i]) != s.end()) return 0;
s.insert(inputSeq[i]);
}
}
return 1;
}
int replacement(int n, int gondolaSeq[], int replacementSeq[]){
int idx = -1, mx = -1;
vector<pair<int, int>> v;
FOR(i, 0, n - 1){
if(gondolaSeq[i] <= n){
idx = gondolaSeq[i] - i;
if(idx <= 0) idx += n;
}else{
v.push_back(make_pair(gondolaSeq[i], i));
}
mx = max(mx, gondolaSeq[i]);
}
sort(v.begin(), v.end());
if(idx == -1) idx = 1;
FOR(i, 0, v.size() - 1) replacementSeq[i] = idx + v[i].second;
FOR(i, v.size(), mx - n - 1) replacementSeq[i] = replacementSeq[i - 1];
return mx - n;
}
int countReplacement(int n, int inputSeq[]){
return 1;
}
Compilation message
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:34:5: error: 'vector' was not declared in this scope
34 | vector<pair<int, int>> v;
| ^~~~~~
gondola.cpp:4:1: note: 'std::vector' is defined in header '<vector>'; did you forget to '#include <vector>'?
3 | #include <gondola.h>
+++ |+#include <vector>
4 | using namespace std;
gondola.cpp:34:25: error: expected primary-expression before '>' token
34 | vector<pair<int, int>> v;
| ^~
gondola.cpp:34:28: error: 'v' was not declared in this scope
34 | vector<pair<int, int>> v;
| ^
gondola.cpp:44:5: error: 'sort' was not declared in this scope; did you mean 'qsort'?
44 | sort(v.begin(), v.end());
| ^~~~
| qsort
