Submission #927424

#	Time	Username	Problem	Language	Result	Execution time	Memory
927424		Nonoze	A Plus B (IOI23_aplusb)	C++17	Compilation error	0 ms	0 KiB

aplusb

#include "aplusb.h"
#include <bits/stdc++.h>
using namespace std;

#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update>ordered_set;
typedef long long ll;


// #define int long long
#define sz(x) (int)(x.size())
#define debug(x) cerr << (#x) << ": " << (x) << endl
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()

vector<int> smallest_sums(int n, vector<int> a, vector<int> b) {
	int n=sz(a);
    priority_queue<tuple<int, int, int>, vector<tuple<int, int, int>>, greater<>> pq;
	for (int i=0; i<n-1; i++) pq.push({a[i] + b[0], i, 0});
	vector<int> ans;
	while (sz(ans)<n) {
		int val, x, y;
		tie(val, x, y)=pq.top(); pq.pop();
		ans.push_back(val);
		if (y+1<n) pq.push({a[x]+b[y+1], x, y+1});
	}
	return ans;
}

Compilation message (stderr)

aplusb.cpp: In function 'std::vector<int> smallest_sums(int, std::vector<int>, std::vector<int>)':
aplusb.cpp:19:6: error: declaration of 'int n' shadows a parameter
   19 |  int n=sz(a);
      |      ^
aplusb.cpp:18:31: note: 'int n' previously declared here
   18 | vector<int> smallest_sums(int n, vector<int> a, vector<int> b) {
      |                           ~~~~^