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답안 #154326

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
154326 2019-09-20T16:59:07 Z ivandasfs Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 241 ms 11652 KB 
#include <iostream>

using namespace std;

typedef long long ll;

ll n, q, s, t;

ll a[200005];
ll sol;

ll calc(ll x) {
	if (x<0) {
		return (-x) * t;
	}
	return (-x) * s;
}

void update(int pos, int x) {
	if (pos<0 or pos>=n-1) return ;
	ll newa = a[pos]+x;
	ll O = calc(a[pos]);
	ll N = calc(newa);
	sol = sol - O + N;
	a[pos] += x;
}

int main() {
	scanf("%lld%lld%lld%lld", &n, &q, &s, &t);
	n++;
	ll l = 0;
	for (int i=0 ; i<n ; i++) {
		ll x;
		scanf("%lld", &x);
		if (i) {
			a[i-1] = x-l;
			sol += calc(x-l);
		}
		l = x;
	}
//	printf("sol = %lld\n", sol);
	for (int i=0 ; i<q ; i++) {
		int l, r;
		ll x;
		scanf("%d%d%lld", &l, &r, &x);
		l--;
		update(l, x);
		update(r, -x);
		printf("%lld\n", sol);
	}
	return 0;
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:29:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld%lld%lld", &n, &q, &s, &t);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foehn_phenomena.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld", &x);
   ~~~~~^~~~~~~~~~~~
foehn_phenomena.cpp:45:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%lld", &l, &r, &x);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 4 ms 376 KB Output is correct
7 Correct 4 ms 376 KB Output is correct
8 Correct 4 ms 412 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 3 ms 372 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 4 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 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 169 ms 8748 KB Output is correct
2 Correct 173 ms 9604 KB Output is correct
3 Correct 180 ms 10016 KB Output is correct
4 Correct 156 ms 9476 KB Output is correct
5 Correct 159 ms 10456 KB Output is correct
6 Correct 129 ms 9592 KB Output is correct
7 Correct 130 ms 9464 KB Output is correct
8 Correct 187 ms 10232 KB Output is correct
9 Correct 174 ms 10704 KB Output is correct
10 Correct 174 ms 9464 KB Output is correct
11 Correct 118 ms 9336 KB Output is correct
12 Correct 124 ms 10080 KB Output is correct
13 Correct 125 ms 10364 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 4 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 4 ms 376 KB Output is correct
7 Correct 4 ms 376 KB Output is correct
8 Correct 4 ms 412 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 4 ms 376 KB Output is correct
11 Correct 3 ms 504 KB Output is correct
12 Correct 4 ms 376 KB Output is correct
13 Correct 3 ms 372 KB Output is correct
14 Correct 4 ms 376 KB Output is correct
15 Correct 4 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 4 ms 376 KB Output is correct
18 Correct 3 ms 376 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 169 ms 8748 KB Output is correct
23 Correct 173 ms 9604 KB Output is correct
24 Correct 180 ms 10016 KB Output is correct
25 Correct 156 ms 9476 KB Output is correct
26 Correct 159 ms 10456 KB Output is correct
27 Correct 129 ms 9592 KB Output is correct
28 Correct 130 ms 9464 KB Output is correct
29 Correct 187 ms 10232 KB Output is correct
30 Correct 174 ms 10704 KB Output is correct
31 Correct 174 ms 9464 KB Output is correct
32 Correct 118 ms 9336 KB Output is correct
33 Correct 124 ms 10080 KB Output is correct
34 Correct 125 ms 10364 KB Output is correct
35 Correct 176 ms 8960 KB Output is correct
36 Correct 182 ms 10392 KB Output is correct
37 Correct 179 ms 11060 KB Output is correct
38 Correct 180 ms 10980 KB Output is correct
39 Correct 180 ms 10872 KB Output is correct
40 Correct 177 ms 10876 KB Output is correct
41 Correct 179 ms 10704 KB Output is correct
42 Correct 184 ms 10820 KB Output is correct
43 Correct 175 ms 10104 KB Output is correct
44 Correct 241 ms 10660 KB Output is correct
45 Correct 157 ms 10596 KB Output is correct
46 Correct 162 ms 11652 KB Output is correct
47 Correct 132 ms 10104 KB Output is correct
48 Correct 140 ms 10104 KB Output is correct
49 Correct 150 ms 9080 KB Output is correct
50 Correct 117 ms 9976 KB Output is correct
51 Correct 124 ms 10492 KB Output is correct
52 Correct 124 ms 10192 KB Output is correct