# | TimeUTC-0 | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
1116147 | Dan4Life | Coin Collecting (JOI19_ho_t4) | C++17 | 1 ms | 336 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) begin(a),end(a)
#define int long long
const int N = (int)1e5+10;
int n, a[N][3];
int32_t main(){
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n; int ans = 0, xd = 0;
for(int i = 0; i < 2*n; i++){
int x, y; cin >> x >> y;
int X = x, Y = y;
x=clamp(x,1ll,n), y=clamp(y,1ll,2ll);
ans+=abs(X-x)+abs(Y-y); a[x][y]++;
}
for(int i = 1; i <= n; i++)
xd+=a[i][1], a[i][1]+=a[i][2];
ans+=abs(xd-n);
for(int i = 1; i <= n; i++){
int tot = a[i][1];
if(tot<2) continue;
tot-=2; ans+=tot;
a[i+1][1]+=tot,a[i][1]-=tot;
}
for(int i = n; i >= 1; i--){
int tot = a[i][1];
if(tot<2) continue;
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