답안 #332415

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
332415 2020-12-02T10:59:33 Z nandonathaniel 금 캐기 (IZhO14_divide) C++14
100 / 100
137 ms 18560 KB
#include<bits/stdc++.h>
using namespace std;
const int MAXN=100005,INF=1e9;

long long prefg[MAXN],prefd[MAXN];
int x[MAXN],bit[2*MAXN],MAX;
map<long long,int> mp;

int query(int now){
	int ret=INF;
	for(int i=now;i>0;i-=(i&(-i)))ret=min(ret,bit[i]);
	return ret;
}

void update(int now,int val){
	for(int i=now;i<=MAX;i+=(i&(-i)))bit[i]=min(bit[i],val);
}

int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	for(int i=0;i<2*MAXN;i++)bit[i]=INF;
	int n,g,d;
	cin >> n;
	for(int i=1;i<=n;i++){
		cin >> x[i];
		cin >> g >> d;
		prefg[i]=prefg[i-1]+g;
		prefd[i]=prefd[i-1]+d;
	}
	for(int i=0;i<=n;i++){
		mp[prefd[i]-x[i+1]];
		if(i)mp[prefd[i]-x[i]];
	}
	for(map<long long,int>::iterator it=mp.begin();it!=mp.end();++it){
		MAX++;
		mp[it->first]=MAX;
	}
	long long ans=0;
	update(mp[prefd[0]-x[1]],1);
	for(int i=1;i<=n;i++){
		int idx=query(mp[prefd[i]-x[i]]);
		if(idx!=INF){
			ans=max(ans,prefg[i]-prefg[idx-1]);
		}
		update(mp[prefd[i]-x[i+1]],i+1);
	}
	cout << ans << '\n';
	return 0;
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1132 KB Output is correct
2 Correct 1 ms 1132 KB Output is correct
3 Correct 1 ms 1132 KB Output is correct
4 Correct 1 ms 1132 KB Output is correct
5 Correct 1 ms 1132 KB Output is correct
6 Correct 1 ms 1132 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct
8 Correct 1 ms 1132 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1132 KB Output is correct
2 Correct 1 ms 1132 KB Output is correct
3 Correct 1 ms 1132 KB Output is correct
4 Correct 1 ms 1132 KB Output is correct
5 Correct 1 ms 1132 KB Output is correct
6 Correct 1 ms 1132 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct
8 Correct 1 ms 1132 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1132 KB Output is correct
15 Correct 2 ms 1260 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 2 ms 1260 KB Output is correct
18 Correct 3 ms 1408 KB Output is correct
19 Correct 2 ms 1260 KB Output is correct
20 Correct 2 ms 1280 KB Output is correct
21 Correct 3 ms 1388 KB Output is correct
22 Correct 3 ms 1388 KB Output is correct
23 Correct 20 ms 1900 KB Output is correct
24 Correct 6 ms 2028 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 1132 KB Output is correct
2 Correct 1 ms 1132 KB Output is correct
3 Correct 1 ms 1132 KB Output is correct
4 Correct 1 ms 1132 KB Output is correct
5 Correct 1 ms 1132 KB Output is correct
6 Correct 1 ms 1132 KB Output is correct
7 Correct 1 ms 1132 KB Output is correct
8 Correct 1 ms 1132 KB Output is correct
9 Correct 1 ms 1132 KB Output is correct
10 Correct 1 ms 1132 KB Output is correct
11 Correct 1 ms 1132 KB Output is correct
12 Correct 1 ms 1132 KB Output is correct
13 Correct 1 ms 1132 KB Output is correct
14 Correct 1 ms 1132 KB Output is correct
15 Correct 2 ms 1260 KB Output is correct
16 Correct 2 ms 1260 KB Output is correct
17 Correct 2 ms 1260 KB Output is correct
18 Correct 3 ms 1408 KB Output is correct
19 Correct 2 ms 1260 KB Output is correct
20 Correct 2 ms 1280 KB Output is correct
21 Correct 3 ms 1388 KB Output is correct
22 Correct 3 ms 1388 KB Output is correct
23 Correct 20 ms 1900 KB Output is correct
24 Correct 6 ms 2028 KB Output is correct
25 Correct 7 ms 1900 KB Output is correct
26 Correct 10 ms 2668 KB Output is correct
27 Correct 10 ms 2796 KB Output is correct
28 Correct 53 ms 9432 KB Output is correct
29 Correct 57 ms 9708 KB Output is correct
30 Correct 137 ms 18560 KB Output is correct
31 Correct 136 ms 17408 KB Output is correct
32 Correct 129 ms 17364 KB Output is correct
33 Correct 99 ms 17260 KB Output is correct
34 Correct 103 ms 16748 KB Output is correct
35 Correct 126 ms 17772 KB Output is correct
36 Correct 97 ms 17900 KB Output is correct