제출 #1288839

#제출 시각아이디문제언어결과실행 시간메모리
1288839muhammad-mutahirArranging Shoes (IOI19_shoes)C++20
컴파일 에러
0 ms0 KiB
#include "shoes.h"
#include <bits/stdc++.h>
using namespace std;

#define print(l) for(auto i:l) cout<<i<<" ";cout<<endl;
#define input(t,l,n) vector<t>l(n);for(int i = 0;i<n;i++)cin>>l[i];
#define int long long
#define pb push_back
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> 
#define all(l) l.begin(),l.end()
#define pii pair<int,int>
#define fi first
#define se second

const int M = 1e9+7;
const int inf = 1e18;


int bp(int x, int y, int p){
    int res = 1;
    x = x % p;
    while (y > 0) {
 
        if (y & 1)
            res = (res * x) % p;
        y = y >> 1;
        x = (x * x) % p;
    }
    return res;
}
 
int MI(int n, int p){
    return bp(n, p - 2, p);
}
int mul(int x,int y, int p){
    return x * 1ull * y % p;
}
int di(int x,int y, int p){
    return mul(x, MI(y, p), p);
}


// int n , m , k , q;
// 
// void solve(int testcase_number){
    // cin>>n;
// 
// }
// 
// 


long long count_swaps(vector<int> s) {
	vector<pair<int,int>>ord;
	int ans = 0;
	int n = s.size();
	map<int,int>cnt;
	for(int i = 0;i<n;i++){
		cnt[abs(s[i])]++;
		if(cnt[abs(s[i])]%2 == 0){
			int x = i;
			while(i-1>=0 and abs(s[i-1]) != abs(s[i])){
				swap(s[i],s[i-1]);
				i--;
				ans++;
			}
			
			if(i-1>=0 and s[i]<s[i-1]){
				swap(s[i],s[i-1]);
				ans++;
			}
		}
	}
	// print(s);
	return ans;
}

// signed main(){
    // ios::sync_with_stdio(0);//DO NOT USE IN INTERACTIVE
    // cin.tie(0), cout.tie(0);
    // cout << fixed<<setprecision(9);
    // cout<<count_swaps({-2,2,2,-2,-2,2})<<endl;
// 
    // int t = 1;
    // cin>>t;
    // for(int i = 1;i<=t;i++){
        // solve(i);
    // }

// }

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccTL5G3C.o: in function `main':
grader.cpp:(.text.startup+0x26b): undefined reference to `count_swaps(std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status