# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
132342 |
2019-07-18T17:47:14 Z |
miguel |
Gondola (IOI14_gondola) |
C++14 |
|
0 ms |
0 KB |
#include<bits/stdc++.h>
//#include<gondola.h>
using namespace std;
#define rc(x) return cout<<x<<endl,0
#define pb push_back
#define dbg(x) cout << #x << '=' << x << '\n';
#define ll long long
#define sz size()
#define x first
#define y second
#define pi pair <int, int>
#define pii pair <int, pi>
#define vi vector <int>
const ll mod = 998244353;
int n;
int nxt(int lol, int n){
if(lol<n-1) return lol+1;
else return 0;
}
int nxtg(int lol, int n){
if(lol==n) return 1;
else return (lol+1);
}
int valid(int n, int v[]){
int cnt[250001];
memset(cnt, 0, sizeof cnt);
int mn=250001, mx=0, br=0, idx;
for(int i=0; i<n; i++){
if(mn>v[i]){
mn=v[i];
idx=i;
}
mx=max(mx, v[i]);
}
int xd=idx;
if(v[xd]<=n && v[xd]!=mn+((xd-idx+n)%n)) return 0;
cnt[v[xd]]++;
xd=nxt(xd, n);
while(xd!=idx){
if(v[xd]<=n && v[xd]!=mn+((xd-idx+n)%n)) return 0;
cnt[v[xd]]++;
xd=nxt(xd, n);
}
for(int i=1; i<=n; i++){
if(cnt[i]>1) return 0;
}
for(int i=n+1; i<=mx; i++){
if(cnt[i]!=1) return 0;
}
return 1;
}
int replacement(int n, int v[], int s[]){
int mn=n+1, mx=0, idx=0;
vi cnt;
int id[250001];
cnt.pb(n);
for(int i=0; i<n; i++){
if(v[i]>n){
cnt.pb(v[i]);
id[v[i]]=i;
}
if(mn>v[i]){
mn=v[i];
idx=i;
}
mx=max(mx, v[i]);
}
sort(cnt.begin(), cnt.end());
//dbg(mn) dbg(idx);
//cout<<cnt[0]<<" ";
for(int i=1; i<cnt.size(); i++){
//cout<<cnt[i]<<" ";
int lst=cnt[i-1], cur=cnt[i];
lst++;
s[lst-(n+1)]=(mn+(id[cur]-idx+n)%n)%n+(((mn+(id[cur]-idx+n)%n)%n)==0);
while(lst<cur){
lst++;
s[lst-(n+1)]=lst-1;
}
}
//cout<<endl;
//cout<<mx-n<<endl;
//for(int i=0; i<(mx-n); i++) cout<<s[i]<<" ";
return mx-n;
}
int countReplacement( int n, int num[] ) {return 0;}
int32_t main(){
ios_base :: sync_with_stdio(0); cin.tie(); cout.tie();
cin>>n;
///int idx, mn; cin>>idx>>mn; cout<<((idx-(mn-1)+n)%n);
int v[n], s[n];
for(int i=0; i<n; i++) {
int x;
cin>>x;
v[i]=x;
}
//cout<<valid(n, v)<<endl;
int xd=replacement(n, v, s);
//cout<<xd<<endl;
//for(int i=0; i<xd; i++) cout<<s[i]<<" ";
}
Compilation message
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:30:26: warning: unused variable 'br' [-Wunused-variable]
int mn=250001, mx=0, br=0, idx;
^~
gondola.cpp: In function 'int replacement(int, int*, int*)':
gondola.cpp:75:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=1; i<cnt.size(); i++){
~^~~~~~~~~~~
gondola.cpp: In function 'int32_t main()':
gondola.cpp:104:9: warning: unused variable 'xd' [-Wunused-variable]
int xd=replacement(n, v, s);
^~
gondola.cpp: In function 'int valid(int, int*)':
gondola.cpp:42:13: warning: 'idx' may be used uninitialized in this function [-Wmaybe-uninitialized]
while(xd!=idx){
~~^~~~~
/tmp/ccHwIeyK.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccnAu0F7.o:gondola.cpp:(.text.startup+0x0): first defined here
/tmp/ccHwIeyK.o: In function `main':
grader.cpp:(.text.startup+0xc3): undefined reference to `countReplacement'
grader.cpp:(.text.startup+0xe2): undefined reference to `valid'
grader.cpp:(.text.startup+0x106): undefined reference to `replacement'
collect2: error: ld returned 1 exit status