Submission #20914

# Submission time Handle Problem Language Result Execution time Memory
20914 2017-03-19T15:22:19 Z model_code Foehn Phenomena (JOI17_foehn_phenomena) C++11
100 / 100
196 ms 5136 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:16:43: 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:21:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&z);
                 ^
foehn_phenomena.cpp:33:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&za,&zb,&zc);
                              ^
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3516 KB Output is correct
2 Correct 3 ms 3516 KB Output is correct
3 Correct 0 ms 3516 KB Output is correct
4 Correct 0 ms 3516 KB Output is correct
5 Correct 3 ms 3516 KB Output is correct
6 Correct 0 ms 3516 KB Output is correct
7 Correct 0 ms 3516 KB Output is correct
8 Correct 0 ms 3516 KB Output is correct
9 Correct 0 ms 3516 KB Output is correct
10 Correct 0 ms 3516 KB Output is correct
11 Correct 0 ms 3516 KB Output is correct
12 Correct 0 ms 3516 KB Output is correct
13 Correct 0 ms 3516 KB Output is correct
14 Correct 0 ms 3516 KB Output is correct
15 Correct 0 ms 3516 KB Output is correct
16 Correct 0 ms 3516 KB Output is correct
17 Correct 0 ms 3516 KB Output is correct
18 Correct 0 ms 3516 KB Output is correct
19 Correct 0 ms 3516 KB Output is correct
20 Correct 0 ms 3516 KB Output is correct
21 Correct 0 ms 3516 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 196 ms 5136 KB Output is correct
2 Correct 159 ms 5136 KB Output is correct
3 Correct 163 ms 5136 KB Output is correct
4 Correct 163 ms 5136 KB Output is correct
5 Correct 166 ms 5136 KB Output is correct
6 Correct 129 ms 5136 KB Output is correct
7 Correct 139 ms 5136 KB Output is correct
8 Correct 173 ms 5136 KB Output is correct
9 Correct 179 ms 5136 KB Output is correct
10 Correct 189 ms 5136 KB Output is correct
11 Correct 109 ms 5136 KB Output is correct
12 Correct 116 ms 5136 KB Output is correct
13 Correct 143 ms 5136 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 3516 KB Output is correct
2 Correct 3 ms 3516 KB Output is correct
3 Correct 0 ms 3516 KB Output is correct
4 Correct 0 ms 3516 KB Output is correct
5 Correct 3 ms 3516 KB Output is correct
6 Correct 0 ms 3516 KB Output is correct
7 Correct 0 ms 3516 KB Output is correct
8 Correct 0 ms 3516 KB Output is correct
9 Correct 0 ms 3516 KB Output is correct
10 Correct 0 ms 3516 KB Output is correct
11 Correct 0 ms 3516 KB Output is correct
12 Correct 0 ms 3516 KB Output is correct
13 Correct 0 ms 3516 KB Output is correct
14 Correct 0 ms 3516 KB Output is correct
15 Correct 0 ms 3516 KB Output is correct
16 Correct 0 ms 3516 KB Output is correct
17 Correct 0 ms 3516 KB Output is correct
18 Correct 0 ms 3516 KB Output is correct
19 Correct 0 ms 3516 KB Output is correct
20 Correct 0 ms 3516 KB Output is correct
21 Correct 0 ms 3516 KB Output is correct
22 Correct 196 ms 5136 KB Output is correct
23 Correct 159 ms 5136 KB Output is correct
24 Correct 163 ms 5136 KB Output is correct
25 Correct 163 ms 5136 KB Output is correct
26 Correct 166 ms 5136 KB Output is correct
27 Correct 129 ms 5136 KB Output is correct
28 Correct 139 ms 5136 KB Output is correct
29 Correct 173 ms 5136 KB Output is correct
30 Correct 179 ms 5136 KB Output is correct
31 Correct 189 ms 5136 KB Output is correct
32 Correct 109 ms 5136 KB Output is correct
33 Correct 116 ms 5136 KB Output is correct
34 Correct 143 ms 5136 KB Output is correct
35 Correct 196 ms 5136 KB Output is correct
36 Correct 189 ms 5136 KB Output is correct
37 Correct 189 ms 5136 KB Output is correct
38 Correct 176 ms 5136 KB Output is correct
39 Correct 186 ms 5136 KB Output is correct
40 Correct 153 ms 5136 KB Output is correct
41 Correct 189 ms 5136 KB Output is correct
42 Correct 186 ms 5136 KB Output is correct
43 Correct 169 ms 5136 KB Output is correct
44 Correct 166 ms 5136 KB Output is correct
45 Correct 153 ms 5136 KB Output is correct
46 Correct 163 ms 5136 KB Output is correct
47 Correct 129 ms 5136 KB Output is correct
48 Correct 113 ms 5136 KB Output is correct
49 Correct 149 ms 5136 KB Output is correct
50 Correct 113 ms 5136 KB Output is correct
51 Correct 119 ms 5136 KB Output is correct
52 Correct 153 ms 5136 KB Output is correct