12772022-03-29 19:08:54vandrasAutózáscpp14Időlimit túllépés 60/100291ms22248 KiB
#include <bits/stdc++.h>
using namespace std;

/*<DEBUG>*/
#define tem template <typename 
#define can_shift(_X_, ...) enable_if_t<sizeof test<_X_>(0) __VA_ARGS__ 8, debug&> operator<<(T i)
#define _op debug& operator<<
tem C > auto test(C *x) -> decltype(cerr << *x, 0LL);
tem C > char test(...);
tem C > struct itr{C begin, end; };
tem C > itr<C> get_range(C b, C e) { return itr<C>{b, e}; }
struct debug{
#ifdef _LOCAL
	~debug(){ cerr << endl; }
	tem T > can_shift(T, ==){ cerr << boolalpha << i; return *this; }
	tem T> can_shift(T, !=){ return *this << get_range(begin(i), end(i)); }
	tem T, typename U > _op (pair<T, U> i){ 
		return *this << "< " << i.first << " , " << i.second << " >"; }
	tem T> _op (itr<T> i){
		*this <<  "{ ";
		for(auto it = i.begin; it != i.end; it++){
			*this << " , " + (it==i.begin?2:0) << *it;
		}
		return *this << " }";
	}
#else
tem T> _op (const T&) { return *this; }
#endif 
};

tem T>
string _ARR_(T* arr, int sz){
	string ret = "{ " + to_string(arr[0]); 
	for(int i = 1; i < sz; i++) ret += " , " +  to_string(arr[i]);
	ret += " }"; return ret;
}

#define exp(...) " [ " << #__VA_ARGS__ << " : " << (__VA_ARGS__) << " ]"
/*</DEBUG>*/

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef unsigned int uint;
typedef pair<int, int> pii;
//mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());

#define pb push_back
#define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define TC int __TC__; cin >> __TC__; while(__TC__--)
#define ar array

const int INF = 1e9 + 7, N = 300005;

ll n, k, pref[N], cost[N], nxt[N];

int main()
{
	FAST;
	cin >> n >> k;

	ll tot = 0;
	for(int i = 1; i <= n; ++i){
		ll dist; cin >> dist >> cost[i];
		pref[i] = tot;
		tot += dist;
	}
	cost[n+1] = 0;
	pref[n+1] = tot;

	nxt[n] = n+1;
	for(int i = n-1; i >= 1; --i){
		int cur = i+1;
		while(cost[cur] >= cost[i]) cur = nxt[cur];
		nxt[i] = cur;
	}

	vector<ar<int,2>> ans;
	ans.reserve(N);

	tot = 0;
	int i = 1, tank = 0;
	while(i < n+1){
		int j = nxt[i];
	    ll dist = pref[j] - pref[i];
		if(dist <= k){
			if(dist - tank > 0){
				ans.pb({i, dist-tank});
				tot += (dist-tank)*cost[i];
				tank += (dist-tank);
			}
			tank -= dist;
			i = j;
		}else{
			ll dist = pref[i+1] - pref[i];
			if(k-tank > 0){
				ans.pb({i, k - tank});
				tot += (k-tank) * cost[i];
				tank = k;
			}
			tank -= dist;
			i = i+1;
		}
	}

	cout << tot << ' ' << ans.size() << '\n';
	for(auto [id, amnt] : ans) cout << id << ' ' << amnt << '\n';

	return 0;
}
RészfeladatÖsszpontTesztVerdiktIdőMemória
base60/100
1Elfogadva0/02ms1840 KiB
2Elfogadva0/065ms17688 KiB
3Elfogadva5/51ms3640 KiB
4Elfogadva5/51ms3648 KiB
5Elfogadva5/51ms3648 KiB
6Elfogadva5/52ms3656 KiB
7Elfogadva5/51ms3660 KiB
8Elfogadva5/51ms3664 KiB
9Elfogadva5/51ms3668 KiB
10Elfogadva5/51ms3672 KiB
11Elfogadva5/512ms6864 KiB
12Elfogadva5/517ms8996 KiB
13Elfogadva5/516ms9456 KiB
14Elfogadva5/532ms14808 KiB
15Időlimit túllépés0/5289ms9356 KiB
16Időlimit túllépés0/5291ms10464 KiB
17Időlimit túllépés0/5287ms11816 KiB
18Időlimit túllépés0/5291ms12628 KiB
19Időlimit túllépés0/5289ms16060 KiB
20Időlimit túllépés0/5206ms18192 KiB
21Időlimit túllépés0/5252ms20144 KiB
22Időlimit túllépés0/5233ms22248 KiB