Submission #308115

#	Time	Username	Problem	Language	Result	Execution time	Memory
308115		juggernaut	Gondola (IOI14_gondola)	C++14	Compilation error	0 ms	0 KiB

gondola

#include"gondola.h"
#include<bits/stdc++.h>
//#include"grader.cpp"
using namespace std;
ll mod=1e9+7;
int valid(int n,int a[]){
    int i=0,need;
    while(i<n&&a[i]>n)i++;
    need=a[i];
    while(i<n){
        if(a[i]<=n&&a[i]!=need)return 0;
        if(need==n)need=1;
        else need++;
        i++;
    }
    sort(a,a+n);
    for(i=1;i<n;i++)if(a[i]==a[i-1])return 0;
    return 1;
}
int replacement(int n,int a[],int res[]){
    vector<pair<int,int>>b;
    int i=0,ind=n,need=1,len=0,x;
    while(i<n&&a[i]>n)i++;
    if(i!=n)need=a[i]-i;
    if(need<1)need+=n;
    for(i=0;i<n;i++,need=need%n+1)b.push_back({a[i],need});
    sort(b.begin(),b.end());
    i=0;
    while(i<n){
        if(b[i].first<=n){
            i++;
            continue;
        }
        res[len++]=b[i].second;
        x=++ind;
        while(x!=b[i].first){
            res[len++]=x;
            x=++ind;
        }
        i++;
    }
    return len;
}
ll pw(ll a,ll b){
    if(!b)return 1;
    if(b&1)return (1ll*a*pw(a,b-1))%mod;
    ll x=pw(a,b>>1ll);
    return (1ll*x*x)%mod;
}
int countReplacement(int n,int a[]){
    if(!valid(n,a))return 0ll;
    sort(a,a+n);
    int i,res=1;
    for(i=0;i<n;i++){
        if(a[i]<=n)continue;
        res=(res*pw(1ll*(n-i),1ll*(a[i]-max(n,(i>0?a[i-1]:0))-1)))%mod;
    }
    if(a[0]>n)res=(1ll*res*n)%mod;
    return res;
}

Compilation message (stderr)

gondola.cpp:5:1: error: 'll' does not name a type
    5 | ll mod=1e9+7;
      | ^~
gondola.cpp:44:1: error: 'll' does not name a type
   44 | ll pw(ll a,ll b){
      | ^~
gondola.cpp: In function 'int countReplacement(int, int*)':
gondola.cpp:56:18: error: 'pw' was not declared in this scope; did you mean 'pow'?
   56 |         res=(res*pw(1ll*(n-i),1ll*(a[i]-max(n,(i>0?a[i-1]:0))-1)))%mod;
      |                  ^~
      |                  pow
gondola.cpp:56:68: error: 'mod' was not declared in this scope; did you mean 'modf'?
   56 |         res=(res*pw(1ll*(n-i),1ll*(a[i]-max(n,(i>0?a[i-1]:0))-1)))%mod;
      |                                                                    ^~~
      |                                                                    modf
gondola.cpp:58:31: error: 'mod' was not declared in this scope; did you mean 'modf'?
   58 |     if(a[0]>n)res=(1ll*res*n)%mod;
      |                               ^~~
      |                               modf