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Submission #936598

# Submission time Handle Problem Language Result Execution time Memory
936598 2024-03-02T09:46:27 Z Xiaoyang Foehn Phenomena (JOI17_foehn_phenomena) C++17
100 / 100
 91 ms 13332 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

#define fi first 
#define se second 
#define pll pair<ll,ll>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl;
#define MP make_pair
#define rep(i,a,b) for(ll i=a;i<b;i++)
#define ALL(x) x.begin(),x.end()
#define endl "\n"

const ll maxn=222222;
ll a[maxn],diff[maxn];
ll n,q,s,t;

ll f(ll x){
	if(x>0)return -x*s;
	else return -x*t;
}
int main(){
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>q>>s>>t;
	rep(i,0,n+1)cin>>a[i];
	ll ans=0;
	rep(i,1,n+1){
		diff[i]=a[i]-a[i-1];
		//debug(f(diff[i]));
		ans+=f(diff[i]);
	}
	
	//debug(ans);
	while(q--){
		ll l,r,val;
		cin>>l>>r>>val;
		ans-=f(diff[l]);
		diff[l]+=val;
		ans+=f(diff[l]);
		if(r!=n){
			ans-=f(diff[r+1]);
			diff[r+1]-=val;
			ans+=f(diff[r+1]);
		}
		cout<<ans<<endl;
	}
	return 0;
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2584 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2576 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 2396 KB Output is correct
13 Correct 2 ms 2548 KB Output is correct
14 Correct 1 ms 2528 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 10576 KB Output is correct
2 Correct 75 ms 11092 KB Output is correct
3 Correct 74 ms 11608 KB Output is correct
4 Correct 72 ms 11076 KB Output is correct
5 Correct 75 ms 12240 KB Output is correct
6 Correct 66 ms 11348 KB Output is correct
7 Correct 69 ms 11196 KB Output is correct
8 Correct 91 ms 12116 KB Output is correct
9 Correct 77 ms 12352 KB Output is correct
10 Correct 81 ms 11108 KB Output is correct
11 Correct 63 ms 11264 KB Output is correct
12 Correct 80 ms 12016 KB Output is correct
13 Correct 65 ms 11972 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2396 KB Output is correct
2 Correct 1 ms 2396 KB Output is correct
3 Correct 1 ms 2584 KB Output is correct
4 Correct 1 ms 2396 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 1 ms 2576 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2396 KB Output is correct
10 Correct 2 ms 2396 KB Output is correct
11 Correct 1 ms 2396 KB Output is correct
12 Correct 2 ms 2396 KB Output is correct
13 Correct 2 ms 2548 KB Output is correct
14 Correct 1 ms 2528 KB Output is correct
15 Correct 1 ms 2396 KB Output is correct
16 Correct 1 ms 2396 KB Output is correct
17 Correct 2 ms 2392 KB Output is correct
18 Correct 1 ms 2396 KB Output is correct
19 Correct 1 ms 2396 KB Output is correct
20 Correct 1 ms 2396 KB Output is correct
21 Correct 1 ms 2396 KB Output is correct
22 Correct 72 ms 10576 KB Output is correct
23 Correct 75 ms 11092 KB Output is correct
24 Correct 74 ms 11608 KB Output is correct
25 Correct 72 ms 11076 KB Output is correct
26 Correct 75 ms 12240 KB Output is correct
27 Correct 66 ms 11348 KB Output is correct
28 Correct 69 ms 11196 KB Output is correct
29 Correct 91 ms 12116 KB Output is correct
30 Correct 77 ms 12352 KB Output is correct
31 Correct 81 ms 11108 KB Output is correct
32 Correct 63 ms 11264 KB Output is correct
33 Correct 80 ms 12016 KB Output is correct
34 Correct 65 ms 11972 KB Output is correct
35 Correct 78 ms 10576 KB Output is correct
36 Correct 75 ms 12024 KB Output is correct
37 Correct 78 ms 12748 KB Output is correct
38 Correct 77 ms 12608 KB Output is correct
39 Correct 80 ms 12628 KB Output is correct
40 Correct 78 ms 12644 KB Output is correct
41 Correct 84 ms 12380 KB Output is correct
42 Correct 76 ms 12664 KB Output is correct
43 Correct 82 ms 11860 KB Output is correct
44 Correct 76 ms 12372 KB Output is correct
45 Correct 73 ms 12332 KB Output is correct
46 Correct 78 ms 13332 KB Output is correct
47 Correct 67 ms 11856 KB Output is correct
48 Correct 66 ms 12000 KB Output is correct
49 Correct 68 ms 10836 KB Output is correct
50 Correct 62 ms 11600 KB Output is correct
51 Correct 64 ms 12072 KB Output is correct
52 Correct 64 ms 11856 KB Output is correct