Submission #297311

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2973112020-09-11 13:39:41shayan_pArranging Shoes (IOI19_shoes)C++17
10 / 100
1049 ms21496 KiB
#include<bits/stdc++.h>
#include "shoes.h"
#define F first
#define S second
#define PB push_back
#define sz(s) (int(s.size()))
#define bit(n, k) (((n)>>(k))&1)
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
const int maxn = 2e5 + 10;
vector<int> pos[maxn];
vector<bool> sgn[maxn];
ll sol(vector<bool> v){
ll ans = 0;
int x = 0;
for(int i = 0; i < sz(v); i++){
if(v[i] == 0)
x++;
else
x--;
if(i & 1)
ans+= abs(x);
else
 
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