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답안 #129319

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
129319 2019-07-12T02:48:07 Z lamkhanh Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 161 ms 8948 KB 
#include<bits/stdc++.h>
#pragma GCC optimize ("O3")
using namespace std;
const int MaxN = 200002;

long long a[MaxN], kc[MaxN];
long long type[MaxN];
long long n, q, s, t, l, r, x, i;
long long ans;

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin >> n >> q >> s >> t;
	for(i=0;i<=n;i++)
		cin >> a[i];
	for(i=0;i<=n-1;i++){
		kc[i] = a[i]-a[i+1];
		if(kc[i]>=0)
			type[i] = 0;
		else
			type[i] = 1;
		ans += ((!type[i]) ? t : s)*kc[i];
	}
	for(i=0;i<q;i++){
		cin >> l >> r >> x;
		kc[l-1] -= x;
		if(kc[l-1]>=0&&type[l-1]){
			type[l-1] = 0;
			ans = ans + kc[l-1]*t - (kc[l-1]+x)*s;
		}
		else if(kc[l-1]<0&&!type[l-1]){
			type[l-1] = 1;
			ans = ans + kc[l-1]*s - (kc[l-1]+x)*t;
		}
		else if(kc[l-1]>=0&&!type[l-1])
			ans -= x*t;
		else
			ans -= x*s;
		if(r<n){
			kc[r] += x;
			if(kc[r]>=0&&type[r]){
				type[r] = 0;
				ans = ans + kc[r]*t - (kc[r]-x)*s;
			}
			else if(kc[r]<0&&!type[r]){
				type[r] = 1;
				ans = ans + kc[r]*s - (kc[r]-x)*t;
			}
			else if(kc[r]>=0&&!type[r])
				ans += x*t;
			else
				ans += x*s;
		}
		cout << ans << "\n";
	}
}

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 424 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 508 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 380 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 135 ms 6468 KB Output is correct
2 Correct 138 ms 7132 KB Output is correct
3 Correct 142 ms 7704 KB Output is correct
4 Correct 137 ms 6808 KB Output is correct
5 Correct 145 ms 7520 KB Output is correct
6 Correct 118 ms 8032 KB Output is correct
7 Correct 112 ms 7904 KB Output is correct
8 Correct 146 ms 7896 KB Output is correct
9 Correct 158 ms 8248 KB Output is correct
10 Correct 146 ms 7068 KB Output is correct
11 Correct 107 ms 8056 KB Output is correct
12 Correct 132 ms 8596 KB Output is correct
13 Correct 112 ms 8824 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 3 ms 424 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 3 ms 504 KB Output is correct
8 Correct 3 ms 504 KB Output is correct
9 Correct 3 ms 508 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 3 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 380 KB Output is correct
15 Correct 3 ms 504 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 504 KB Output is correct
18 Correct 3 ms 504 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 380 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 135 ms 6468 KB Output is correct
23 Correct 138 ms 7132 KB Output is correct
24 Correct 142 ms 7704 KB Output is correct
25 Correct 137 ms 6808 KB Output is correct
26 Correct 145 ms 7520 KB Output is correct
27 Correct 118 ms 8032 KB Output is correct
28 Correct 112 ms 7904 KB Output is correct
29 Correct 146 ms 7896 KB Output is correct
30 Correct 158 ms 8248 KB Output is correct
31 Correct 146 ms 7068 KB Output is correct
32 Correct 107 ms 8056 KB Output is correct
33 Correct 132 ms 8596 KB Output is correct
34 Correct 112 ms 8824 KB Output is correct
35 Correct 152 ms 6552 KB Output is correct
36 Correct 150 ms 8228 KB Output is correct
37 Correct 161 ms 8948 KB Output is correct
38 Correct 151 ms 8568 KB Output is correct
39 Correct 148 ms 8696 KB Output is correct
40 Correct 148 ms 8632 KB Output is correct
41 Correct 150 ms 8440 KB Output is correct
42 Correct 151 ms 8540 KB Output is correct
43 Correct 144 ms 7800 KB Output is correct
44 Correct 144 ms 8184 KB Output is correct
45 Correct 144 ms 8092 KB Output is correct
46 Correct 146 ms 8696 KB Output is correct
47 Correct 116 ms 8568 KB Output is correct
48 Correct 118 ms 8784 KB Output is correct
49 Correct 127 ms 7804 KB Output is correct
50 Correct 110 ms 8664 KB Output is correct
51 Correct 112 ms 8568 KB Output is correct
52 Correct 114 ms 8712 KB Output is correct