Submission #20915

# Submission time Handle Problem Language Result Execution time Memory
20915 2017-03-20T06:54:38 Z gs14004 Foehn Phenomena (JOI17_foehn_phenomena) C++11
100 / 100
209 ms 3580 KB
#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pi;
typedef long long lint;

int n, q, s, t;
lint a[200005], ans;

void upd(int x, int v){
	if(a[x] < 0) ans -= a[x] * t;
	else ans -= a[x] * s;
	a[x] += v;
	if(a[x] < 0) ans += a[x] * t;
	else ans += a[x] * s;
}

int main(){
	scanf("%d %d %d %d %*d",&n,&q,&s,&t);
	int prv = 0;
	for(int i=1; i<=n; i++){
		int x;
		scanf("%d",&x);
		upd(i, x - prv);
		prv = x;
	}
	while(q--){
		int s, e, x;
		scanf("%d %d %d",&s,&e,&x);
		upd(s, x);
		if(e < n) upd(e+1, -x);
		printf("%lld\n", -ans);
	}
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:18:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d %d %*d",&n,&q,&s,&t);
                                      ^
foehn_phenomena.cpp:22:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&x);
                 ^
foehn_phenomena.cpp:28:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&s,&e,&x);
                             ^

# Verdict Execution time Memory Grader output
1 Correct 0 ms 3580 KB Output is correct
2 Correct 0 ms 3580 KB Output is correct
3 Correct 0 ms 3580 KB Output is correct
4 Correct 0 ms 3580 KB Output is correct
5 Correct 0 ms 3580 KB Output is correct
6 Correct 0 ms 3580 KB Output is correct
7 Correct 0 ms 3580 KB Output is correct
8 Correct 0 ms 3580 KB Output is correct
9 Correct 0 ms 3580 KB Output is correct
10 Correct 0 ms 3580 KB Output is correct
11 Correct 0 ms 3580 KB Output is correct
12 Correct 0 ms 3580 KB Output is correct
13 Correct 0 ms 3580 KB Output is correct
14 Correct 0 ms 3580 KB Output is correct
15 Correct 0 ms 3580 KB Output is correct
16 Correct 3 ms 3580 KB Output is correct
17 Correct 0 ms 3580 KB Output is correct
18 Correct 0 ms 3580 KB Output is correct
19 Correct 0 ms 3580 KB Output is correct
20 Correct 0 ms 3580 KB Output is correct
21 Correct 0 ms 3580 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 156 ms 3580 KB Output is correct
2 Correct 163 ms 3580 KB Output is correct
3 Correct 189 ms 3580 KB Output is correct
4 Correct 173 ms 3580 KB Output is correct
5 Correct 166 ms 3580 KB Output is correct
6 Correct 133 ms 3580 KB Output is correct
7 Correct 136 ms 3580 KB Output is correct
8 Correct 179 ms 3580 KB Output is correct
9 Correct 209 ms 3580 KB Output is correct
10 Correct 166 ms 3580 KB Output is correct
11 Correct 116 ms 3580 KB Output is correct
12 Correct 113 ms 3580 KB Output is correct
13 Correct 136 ms 3580 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3580 KB Output is correct
2 Correct 0 ms 3580 KB Output is correct
3 Correct 0 ms 3580 KB Output is correct
4 Correct 0 ms 3580 KB Output is correct
5 Correct 0 ms 3580 KB Output is correct
6 Correct 0 ms 3580 KB Output is correct
7 Correct 0 ms 3580 KB Output is correct
8 Correct 0 ms 3580 KB Output is correct
9 Correct 0 ms 3580 KB Output is correct
10 Correct 0 ms 3580 KB Output is correct
11 Correct 0 ms 3580 KB Output is correct
12 Correct 0 ms 3580 KB Output is correct
13 Correct 0 ms 3580 KB Output is correct
14 Correct 0 ms 3580 KB Output is correct
15 Correct 0 ms 3580 KB Output is correct
16 Correct 3 ms 3580 KB Output is correct
17 Correct 0 ms 3580 KB Output is correct
18 Correct 0 ms 3580 KB Output is correct
19 Correct 0 ms 3580 KB Output is correct
20 Correct 0 ms 3580 KB Output is correct
21 Correct 0 ms 3580 KB Output is correct
22 Correct 156 ms 3580 KB Output is correct
23 Correct 163 ms 3580 KB Output is correct
24 Correct 189 ms 3580 KB Output is correct
25 Correct 173 ms 3580 KB Output is correct
26 Correct 166 ms 3580 KB Output is correct
27 Correct 133 ms 3580 KB Output is correct
28 Correct 136 ms 3580 KB Output is correct
29 Correct 179 ms 3580 KB Output is correct
30 Correct 209 ms 3580 KB Output is correct
31 Correct 166 ms 3580 KB Output is correct
32 Correct 116 ms 3580 KB Output is correct
33 Correct 113 ms 3580 KB Output is correct
34 Correct 136 ms 3580 KB Output is correct
35 Correct 153 ms 3580 KB Output is correct
36 Correct 189 ms 3580 KB Output is correct
37 Correct 186 ms 3580 KB Output is correct
38 Correct 166 ms 3580 KB Output is correct
39 Correct 206 ms 3580 KB Output is correct
40 Correct 189 ms 3580 KB Output is correct
41 Correct 176 ms 3580 KB Output is correct
42 Correct 189 ms 3580 KB Output is correct
43 Correct 173 ms 3580 KB Output is correct
44 Correct 186 ms 3580 KB Output is correct
45 Correct 163 ms 3580 KB Output is correct
46 Correct 196 ms 3580 KB Output is correct
47 Correct 133 ms 3580 KB Output is correct
48 Correct 136 ms 3580 KB Output is correct
49 Correct 153 ms 3580 KB Output is correct
50 Correct 99 ms 3580 KB Output is correct
51 Correct 126 ms 3580 KB Output is correct
52 Correct 139 ms 3580 KB Output is correct