#include "aplusb.h"
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define ll long long
vector<int> smallest_sums(int n, vector<int> A, vector<int> B) {
set<int >s;
priority_queue<tuple<int,int,int> , vector<tuple<int,int,int> > , greater<tuple<int,int,int> > > pq;
pq.push({A[0] + B[0], 0, 0});
set<pair<int,int> > st;
vector<int> ans;
for(int i = 0;i<n;i++){
int val = get<0>(pq.top());
int posa = get<1>(pq.top());
int posb = get<1>(pq.top());
pq.pop();
ans.push_back(val);
if(posa + 1 < n && !st.count({posa + 1, posb})){
pq.push({A[posa + 1] + B[posb],posa+1, posb});
st.insert({posa+1, posb});
}
if(posb + 1 < n && !st.count({posa, posb+1})){
pq.push({A[posa] + B[posb+1],posa, posb+1});
st.insert({posa, posb+1});
}
}
return ans;
}
Compilation message
/usr/bin/ld: /tmp/ccvtZYtj.o: in function `main':
grader.cpp:(.text.startup+0x271): undefined reference to `smallest_sums(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status
