Submission #566917

#	Time	Username	Problem	Language	Result	Execution time	Memory
566917		maomao90	Sightseeing in Kyoto (JOI22_kyoto)	C++17	0 / 100	1 ms	260 KiB

kyoto

// Hallelujah, praise the one who set me free
// Hallelujah, death has lost its grip on me
// You have broken every chain, There's salvation in your name
// Jesus Christ, my living hope
#include <bits/stdc++.h> 
using namespace std;

template <class T>
inline bool mnto(T& a, T b) {return a > b ? a = b, 1 : 0;}
template <class T>
inline bool mxto(T& a, T b) {return a < b ? a = b, 1: 0;}
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define SZ(_a) (int) _a.size()
#define pb push_back
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<iii> viii;

#ifndef DEBUG
#define cerr if (0) cerr
#endif

const int INF = 1000000005;
const ll LINF = 1000000000000000005ll;
const int MAXN = 200005;

int h, w;
int a[MAXN], b[MAXN];
ll ans;

int main() {
#ifndef DEBUG
    ios::sync_with_stdio(0), cin.tie(0);
#endif
    cin >> h >> w;
    REP (i, 0, h) {
        cin >> a[i];
    }
    REP (i, 0, w) {
        cin >> b[i];
    }
    int tmp = 0;
    REP (i, 0, h - 1) {
        ll mn = LINF;
        int id = -1;
        REP (j, tmp, w) {
            if (mnto(mn, b[j] + (ll) (a[i] - a[i + 1]) * j)) {
                id = j;
            }
        }
        cerr << i << ": " << id << ' ' << mn << '\n';
        ans += mn;
        tmp = id;
    }
    ans += (ll) a[h - 1] * (w - 1);
    cout << ans << '\n';
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60