Submission #1326216

#	Time	Username	Problem	Language	Result	Execution time	Memory
1326216		somefolk	Festival (IOI25_festival)	C++20	Compilation error	0 ms	0 KiB

festival

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define f first 
#define s second 
std::vector<signed> max_coupons(signed A, std::vector<signed> P,
 std::vector<signed> T){
 int n=P.size(); 
    pair<int,int> t1[n],t2[n];
    int k1=-1,k2=-1;
    for(int i=0; i<n; i++){ 
    if(T[i]==2){
        t2[++k2].f=P[i];
        t2[k2].s=i;}
    else{
        t1[++k1].f=P[i];
        t1[k1].s=i;}
    }
    k1++; k2++;
    sort(t1, t1+k1);
    sort(t2, t2+k2);
    for(int i=1; i<k1; i++) t1[i].f+=t1[i-1].f; 
    int c=A;
    int m1=0,m2=0;
    int z=1e16;
    for(int i=0; i<=k2&&c>-1; i++){
        int l=0, r=k1-1;
        int x = -1; 
        while(l<=r){    
            int m=l+(r-l)/2;
            if(t1[x].f<=c)
                x = m;
                l=m+1;
            else 
                r=m-1;
        }  
        if((m1+m2)<i+x+1){
            m1=x+1;
            m2=i;
        }
        c=min((c-t2[i].f)*2,z); 
    }
    vector<signed> R;
    for( int i=0; i<m2; i++)
        R.push_back(t2[i].s);
    for(int i=0; i<m1; i++)
        R.push_back(t1[i].s);  
        return R;
 }

Compilation message (stderr)

festival.cpp: In function 'std::vector<int> max_coupons(int, std::vector<int>, std::vector<int>)':
festival.cpp:34:13: error: 'else' without a previous 'if'
   34 |             else
      |             ^~~~