Submission #364325

#	Time	Username	Problem	Language	Result	Execution time	Memory
364325		Kevin_Zhang_TW	운세 보기 2 (JOI14_fortune_telling2)	C++17	4 / 100	3088 ms	748 KiB

fortune_telling2

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define pb emplace_back
#define AI(i) begin(i), end(i)
template<class T> bool chmin(T &a, T b) { return b < a && (a = b, true); }
template<class T> bool chmax(T &a, T b) { return a < b && (a = b, true); }
#ifdef KEV
#define DE(args...) kout("[ " + string(#args) + " ] = ", args)
void kout() { cerr << endl; }
template<class T, class ...U> void kout(T a, U ...b) {  cerr << a << ' ', kout(b...); }
template<class T> void debug(T L, T R) { while (L != R) cerr << *L << " \n"[next(L) == R], ++L; }
#else
#define DE(...) 0
#define debug(...) 0
#endif

const int MAX_N = 300010;

#pragma GCC optimize("Ofast")

int a[MAX_N][2], t[MAX_N], n, m;

int32_t main() {
	cin.tie(0)->sync_with_stdio(0);
	cin >> n >> m;
	for (int i = 0;i < n;++i)
		cin >> a[i][0] >> a[i][1];
	for (int i = 0;i < m;++i)
		cin >> t[i];

	ll sum = 0;

	for (int i = 0;i < n;++i) {
		int c = 0;
		for (int j = 0;j < m;++j)
			if (a[i][c] <= t[j]) c ^= 1;
		sum += a[i][c];
	}
	cout << sum << '\n';
}

• Subtask 1: 4 / 4
• Subtask 2: 0 / 31
• Subtask 3: 0 / 65