Submission #978417

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
978417	2024-05-09 08:06:53	nnin	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	34 ms	4904 KiB

bridge

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#include<bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
using ll = long long;
#define f first
#define s second
 
vector<pii> cross;
int N, K;
 
ll check1(int bridge) {
    ll ret = 0;
    for(auto [st, en]:cross) {
        if(bridge<st) ret += (ll)st-bridge+en-bridge;
        else if(bridge>en) ret += (ll)bridge-st+bridge-en;
        else ret += (ll)en-st;
    }
    return ret;
}
 
ll check2(int br1, int br2) {
    ll ret = 0;
    for(auto [st, en]:cross) {
        if((st<=br1&&br1<=en) || (st<=br2&&br2<=en)) ret += (ll)en-st;
        else if(br2<st) ret += (ll)st-br2+en-br2;
        else if(br1>en) ret += (ll)br1-st+br1-en;
        else ret += min((ll)st-br1+en-br1, (ll)br2-st+br2-en);
    }
    return ret;
}
 
 
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• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37