Submission #944148

#	Time	Username	Problem	Language	Result	Execution time	Memory
944148		kxd	Meetings (IOI18_meetings)	C++17	0 / 100	5581 ms	1628 KiB

meetings

#include "meetings.h"
#include <bits/stdc++.h>
//#define DEBUG 1106
//#define int long long
#define ll long long
#define ld long double
#define pb push_back
#define p_q priority_queue
#define m_p make_pair
#define pii pair<int,int>
#define endl '\n'
#define INIT ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define FOR(i,a,b) for(int i = a; i <= b; i++)
#define forn(i,n) for (int i = 0; i < n; i++)
#define forn1(i,n) for (int i = 1; i <= n; i++)
#define all(x) x.begin(),x.end()
#define ft first
#define sd second
#define lowbit(x) (x&(-x))
#define chmax(x,y) x=max(x,y)
#define chmin(x,y) x=min(x,y)
#ifdef DEBUG
#define debug(x) cout << #x << ": " << x << endl;
#else
#define debug(x) 1106;
#endif

using namespace std;
const int N = 2e5+5;
const int inf = 1e9;
const int INF = 1e18;
const int MOD = 1e9+7;

int a[N];

int mxl[N], mxr[N];

vector<ll> minimum_costs(vector<int> h, vector<int> l, vector<int> r) {
	int n = h.size();
	int q = l.size();
	vector<ll> c(q);
	for (int j = 0; j < q; ++j) {
		ll ans = INF;
		for(int i = l[j]; i <= r[j]; i++) {
			ll t = 0;
			int mx = h[i];
			//cout << h[i] << '|';
			for(int k = i; k >= l[j]; k--) {
				chmax(mx,h[k]);
				t += mx;
				//cout << '(' << k << ',' << mx << ')';
			}
			mx = 0;
			for(int k = i+1; k <= r[j]; k++) {
				chmax(mx,h[k]);
				t += mx;
				//cout << '(' << k << ',' << mx << ')';
			}
			chmin(ans,t);
			//cout << i << ',' << t << endl;
		}
		c[j]=ans;
		//cout << ans << endl;
	}
	return c;
}
/*
namespace {
	int read_int() {
		int x;
		if (scanf("%d", &x) != 1) {
			fprintf(stderr, "Error while reading input\n");
			exit(1);
		}
		return x;
	}
}

int main() {
	int N = read_int();
	int Q = read_int();
	std::vector<int> H(N);
	for (int i = 0; i < N; ++i) {
		H[i] = read_int();
	}
	std::vector<int> L(Q), R(Q);
	for (int j = 0; j < Q; ++j) {
		L[j] = read_int();
		R[j] = read_int();
	}
	std::vector<long long> C = minimum_costs(H, L, R);
	for (size_t j = 0; j < C.size(); ++j) {
		printf("%lld\n", C[j]);
	}
	return 0;
}
*/

Compilation message (stderr)

meetings.cpp:31:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   31 | const int INF = 1e18;
      |                 ^~~~
meetings.cpp: In function 'std::vector<long long int> minimum_costs(std::vector<int>, std::vector<int>, std::vector<int>)':
meetings.cpp:39:6: warning: unused variable 'n' [-Wunused-variable]
   39 |  int n = h.size();
      |      ^

• Subtask 1: 0 / 4
• Subtask 2: 0 / 15
• Subtask 3: 0 / 17
• Subtask 4: 0 / 24
• Subtask 5: 0 / 40