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답안 #232779

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
232779 2020-05-18T05:46:22 Z huangqr Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 144 ms 8188 KB 
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll asize=2e5+5;
ll n,q,s,t,d[asize],pdsum=0,ndsum=0;

int main(){
	ios_base::sync_with_stdio(0),cin.tie(NULL);
	cin>>n>>q>>s>>t;
	ll k,pre,a,b,c;
	n++;
	for(int i=0;i<n;i++){
		cin>>k;
		if(i){
			d[i]=k-pre;
			if(d[i]>=0)pdsum+=d[i];
			else ndsum-=d[i];
		}
		pre=k;
	}
/*	cout<<"d array\n";
	for(int i=0;i<n;i++){
		cout<<d[i]<<" ";
	}
	cout<<"\npdsum="<<pdsum<<"\tndsum="<<ndsum<<"\n";*/
	for(int i=0;i<q;i++){
		cin>>a>>b>>c;
		ll ov=d[a];
		d[a]+=c;
		if(ov>=0){
			if(d[a]>0)pdsum+=c;
			else{
				pdsum-=ov;
				ndsum-=(c+ov);
			}
		}
		else{
			if(d[a]<0)ndsum-=c;
			else{
				ndsum+=ov;
				pdsum+=(c+ov);
			}
		}
		b++;
		if(b==n)goto cont;
		ov=d[b];
		c=-c;
		d[b]+=c;
		if(ov>=0){
			if(d[b]>0)pdsum+=c;
			else{
				pdsum-=ov;
				ndsum-=(c+ov);
			}
		}
		else{
			if(d[b]<0)ndsum-=c;
			else{
				ndsum+=ov;
				pdsum+=(c+ov);
			}
		}
		cont:
/*	cout<<"d array\n";
	for(int i=0;i<n;i++){
		cout<<d[i]<<" ";
	}
	cout<<"\npdsum="<<pdsum<<"\tndsum="<<ndsum<<"\n";*/
		cout<<ndsum*t-pdsum*s<<"\n";
	}
	return 0;
}

/*
ll ftp[asize],ftn[asize],n=asize,q,s,t;

void update(ll ft[],ll p,ll v){
	for(;p<=n;p+=(p & -p))ft[p]+=v;
	return;
}

ll query(ll ft[],ll p){
	ll ans=0;
	for(;p>0;p-=(p & -p))ans+=ft[p];
	return ans;
}


void rupdate(ll l, ll r,ll v){
	update(ftm,l,v);
	update(ftm,r+1,-v);
	update(ftc,l,-1*(l-1)*v);
	update(ftc,r+1,r*v);
	return;
}

ll rquery(ll l,ll r){
	return r*query(ftm,r)+query(ftc,r)-(l-1)*query(ftm,l-1)-query(ftc,l-1);
}*/

Subtask #1
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 6 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 120 ms 5496 KB Output is correct
2 Correct 128 ms 6136 KB Output is correct
3 Correct 126 ms 6648 KB Output is correct
4 Correct 118 ms 5880 KB Output is correct
5 Correct 127 ms 6908 KB Output is correct
6 Correct 111 ms 7288 KB Output is correct
7 Correct 118 ms 7288 KB Output is correct
8 Correct 121 ms 7288 KB Output is correct
9 Correct 131 ms 7672 KB Output is correct
10 Correct 119 ms 6392 KB Output is correct
11 Correct 107 ms 7416 KB Output is correct
12 Correct 113 ms 7800 KB Output is correct
13 Correct 110 ms 8184 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 6 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 5 ms 512 KB Output is correct
6 Correct 6 ms 384 KB Output is correct
7 Correct 6 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 6 ms 384 KB Output is correct
10 Correct 6 ms 512 KB Output is correct
11 Correct 6 ms 384 KB Output is correct
12 Correct 6 ms 384 KB Output is correct
13 Correct 6 ms 512 KB Output is correct
14 Correct 6 ms 384 KB Output is correct
15 Correct 6 ms 384 KB Output is correct
16 Correct 6 ms 384 KB Output is correct
17 Correct 6 ms 512 KB Output is correct
18 Correct 6 ms 512 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 4 ms 384 KB Output is correct
21 Correct 4 ms 384 KB Output is correct
22 Correct 120 ms 5496 KB Output is correct
23 Correct 128 ms 6136 KB Output is correct
24 Correct 126 ms 6648 KB Output is correct
25 Correct 118 ms 5880 KB Output is correct
26 Correct 127 ms 6908 KB Output is correct
27 Correct 111 ms 7288 KB Output is correct
28 Correct 118 ms 7288 KB Output is correct
29 Correct 121 ms 7288 KB Output is correct
30 Correct 131 ms 7672 KB Output is correct
31 Correct 119 ms 6392 KB Output is correct
32 Correct 107 ms 7416 KB Output is correct
33 Correct 113 ms 7800 KB Output is correct
34 Correct 110 ms 8184 KB Output is correct
35 Correct 127 ms 5880 KB Output is correct
36 Correct 124 ms 7292 KB Output is correct
37 Correct 124 ms 8184 KB Output is correct
38 Correct 126 ms 7928 KB Output is correct
39 Correct 135 ms 7928 KB Output is correct
40 Correct 123 ms 7928 KB Output is correct
41 Correct 144 ms 7800 KB Output is correct
42 Correct 132 ms 7928 KB Output is correct
43 Correct 124 ms 7160 KB Output is correct
44 Correct 129 ms 7672 KB Output is correct
45 Correct 126 ms 7288 KB Output is correct
46 Correct 129 ms 7928 KB Output is correct
47 Correct 118 ms 8056 KB Output is correct
48 Correct 111 ms 8188 KB Output is correct
49 Correct 110 ms 7160 KB Output is correct
50 Correct 112 ms 7928 KB Output is correct
51 Correct 109 ms 7928 KB Output is correct
52 Correct 112 ms 7952 KB Output is correct