Submission #1094387

#	Time	Username	Problem	Language	Result	Execution time	Memory
1094387		ShaShi	Palembang Bridges (APIO15_bridge)	C++17	0 / 100	1 ms	348 KiB

bridge

#include <bits/stdc++.h>
 
#define int long long 
 
// #pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
 
#define F first 
#define S second
#define mp make_pair
#define pb push_back
#define all(x) x.begin(), x.end()
#define kill(x) cout << x << "\n", exit(0);
#define pii pair<int, int>
#define pll pair<long long, long long>
#define endl "\n"
 
 
 
using namespace std;
typedef long long ll;
// typedef __int128_t lll;
typedef long double ld;

 
const int MAXN = (int)1e6 + 7;
const int MOD = 998244353;
const ll INF = (ll)1e18 + 7;

 
int n, m, k, tmp, t, tmp2, tmp3, tmp4, u, v, w, flag, q, ans, N, l, r, mid;
vector<pii> vec;
map<int, int> cnt;
char ch, ch2;


int32_t main() {
    #ifdef LOCAL
    freopen("inp.in", "r", stdin);
    freopen("res.out", "w", stdout);
    #else
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    #endif

    cin >> k >> n;

    for (int i=1; i<=n; i++) {
        cin >> ch >> u >> ch2 >> v;

        if (ch == ch2) ans += abs(u-v);
        else cnt[u]++, cnt[v]++, vec.pb({u, v});
    }

    tmp = 0;

    for (auto cur: cnt) {
        tmp += cur.S;

        if (tmp+tmp >= n) {
            tmp = cur.F;
            break;
        }
    }

    for (auto cur:cnt) ans += abs(cur.F-tmp)*cur.S;

    cout << ans << endl;
    
    return 0;
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37