oj.uz

Submission #197017

# Submission time Handle Problem Language Result Execution time Memory
197017 2020-01-18T06:21:37 Z quocnguyen1012 Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 183 ms 6632 KB 
#include<stdio.h>
#include<vector>
#include<algorithm>
using namespace std;
typedef long long ll;
ll s1,s2;
ll dif[300001];
ll get(ll t)
{
	if(t>0)return -s1*t;
	else return -s2*t;
}
int main()
{
	int num,query;
	scanf("%d%d%lld%lld",&num,&query,&s1,&s2);
	vector<int>v;
	for(int i=0;i<=num;i++)
	{
		int z;
		scanf("%d",&z);
		v.push_back(z);
	}
	ll ans=0;
	for(int i=0;i<num;i++)
	{
		dif[i]=v[i+1]-v[i];
		ans+=get(dif[i]);
	}
	for(int i=0;i<query;i++)
	{
		int za,zb,zc;
		scanf("%d%d%d",&za,&zb,&zc);
		ans-=get(dif[za-1]);
		dif[za-1]+=zc;
		ans+=get(dif[za-1]);
		if(zb!=num)
		{
			ans-=get(dif[zb]);
			dif[zb]-=zc;
			ans+=get(dif[zb]);
		}
		printf("%lld\n",ans);
	}
}

Compilation message

foehn_phenomena.cpp: In function 'int main()':
foehn_phenomena.cpp:16:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%lld%lld",&num,&query,&s1,&s2);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
foehn_phenomena.cpp:21:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&z);
   ~~~~~^~~~~~~~~
foehn_phenomena.cpp:33:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&za,&zb,&zc);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 380 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 380 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 388 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 164 ms 4204 KB Output is correct
2 Correct 166 ms 4820 KB Output is correct
3 Correct 170 ms 5536 KB Output is correct
4 Correct 149 ms 4652 KB Output is correct
5 Correct 150 ms 5480 KB Output is correct
6 Correct 131 ms 5864 KB Output is correct
7 Correct 133 ms 5736 KB Output is correct
8 Correct 167 ms 5740 KB Output is correct
9 Correct 168 ms 6168 KB Output is correct
10 Correct 183 ms 4844 KB Output is correct
11 Correct 116 ms 5864 KB Output is correct
12 Correct 123 ms 6224 KB Output is correct
13 Correct 129 ms 6632 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 376 KB Output is correct
2 Correct 1 ms 376 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 380 KB Output is correct
7 Correct 3 ms 376 KB Output is correct
8 Correct 4 ms 376 KB Output is correct
9 Correct 4 ms 376 KB Output is correct
10 Correct 3 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 3 ms 380 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 3 ms 376 KB Output is correct
15 Correct 3 ms 376 KB Output is correct
16 Correct 3 ms 376 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 3 ms 388 KB Output is correct
19 Correct 2 ms 256 KB Output is correct
20 Correct 2 ms 256 KB Output is correct
21 Correct 2 ms 256 KB Output is correct
22 Correct 164 ms 4204 KB Output is correct
23 Correct 166 ms 4820 KB Output is correct
24 Correct 170 ms 5536 KB Output is correct
25 Correct 149 ms 4652 KB Output is correct
26 Correct 150 ms 5480 KB Output is correct
27 Correct 131 ms 5864 KB Output is correct
28 Correct 133 ms 5736 KB Output is correct
29 Correct 167 ms 5740 KB Output is correct
30 Correct 168 ms 6168 KB Output is correct
31 Correct 183 ms 4844 KB Output is correct
32 Correct 116 ms 5864 KB Output is correct
33 Correct 123 ms 6224 KB Output is correct
34 Correct 129 ms 6632 KB Output is correct
35 Correct 170 ms 4460 KB Output is correct
36 Correct 167 ms 5888 KB Output is correct
37 Correct 175 ms 6628 KB Output is correct
38 Correct 170 ms 6380 KB Output is correct
39 Correct 170 ms 6504 KB Output is correct
40 Correct 171 ms 6508 KB Output is correct
41 Correct 173 ms 6252 KB Output is correct
42 Correct 171 ms 6488 KB Output is correct
43 Correct 169 ms 5612 KB Output is correct
44 Correct 171 ms 5992 KB Output is correct
45 Correct 156 ms 5868 KB Output is correct
46 Correct 158 ms 6504 KB Output is correct
47 Correct 134 ms 6384 KB Output is correct
48 Correct 134 ms 6592 KB Output is correct
49 Correct 146 ms 5612 KB Output is correct
50 Correct 115 ms 6376 KB Output is correct
51 Correct 123 ms 6564 KB Output is correct
52 Correct 130 ms 6372 KB Output is correct