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Submission #349898

# Submission time Handle Problem Language Result Execution time Memory
349898 2021-01-18T16:11:04 Z YJU Fire (JOI20_ho_t5) C++14
13 / 100
 1000 ms 60048 KB 
#include<bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;
const ll MOD=1e9+7;
const ll MOD2=998244353;
const ll N=(1LL<<19);
const ll base=N>>1;
const ld pi=acos(-1);
const ll INF=(1LL<<60);
#define SQ(i) ((i)*(i))
#define REP(i,n) for(ll i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define pb push_back
#define mp make_pair
#define X first
#define Y second
#define setp setprecision
#define lwb lower_bound
#define SZ(_a) (ll)_a.size()
 
struct Segment_Tree{
	ll sum[4*N],tag[4*N];
	void push(int id,int l,int r){
		if(tag[id]){
			ll mid=(l+r)>>1;
			sum[id*2]+=(mid-l)*tag[id];
			sum[id*2+1]+=(r-mid)*tag[id];
			tag[id*2]+=tag[id];
			tag[id*2+1]+=tag[id];
			tag[id]=0;
		}
	}
	
	void add(int id,int l,int r,int ql,int qr,ll val){
		if(l>=qr||r<=ql)return ;
		if(l>=ql&&r<=qr){tag[id]+=val;sum[id]+=val*(r-l);return;}
		push(id,l,r);
		ll mid=(l+r)>>1;
		add((id<<1),l,mid,ql,qr,val);
		add((id<<1)+1,mid,r,ql,qr,val);
		sum[id]=sum[(id<<1)]+sum[(id<<1)+1];
	}
	ll ask(int id,int l,int r,int ql,int qr){
		if(l>=qr||r<=ql)return 0;
		if(l>=ql&&r<=qr)return sum[id];
		push(id,l,r);
		ll mid=(l+r)>>1;
		return ask((id<<1),l,mid,ql,qr)+ask((id<<1)+1,mid,r,ql,qr);
	}
	
	
}seg1,seg2;
 
int n,q,a[N],sz=0,stk[N],L[N],R[N];
ll ans[N];
vector<pair<int,pair<int,int> > > query[N];
vector<pair<pair<int,int>,int> > work[N];
 
ll Q(int t,int r){
	return seg1.ask(1,0,N,1,r-t+1+base)+seg2.ask(1,0,N,1,r+1+base);
}
 
void update(int ql,int qr,ll val){
	seg1.add(1,0,N,ql+base,N,val);
	seg2.add(1,0,N,qr+1+base,N,-val);
}
 
void build(int ql,int qr,ll val){
	if(ql>qr)return ;
	work[0].pb(mp(mp(ql,qr),val));
	work[qr-ql+1].pb(mp(mp(ql,qr),-val));
}
 
int main(){
	ios_base::sync_with_stdio(0);cin.tie(0);
	cin>>n>>q;
	REP1(i,n){
		cin>>a[i];
		while(sz&&a[stk[sz]]<=a[i]){
			R[stk[sz]]=i;
			--sz;
		}
		L[i]=(sz==0?-n-1:stk[sz]);
		R[i]=n+1;
		stk[++sz]=i;
	}
 
	REP1(i,q){
		ll t,x,y;
		cin>>t>>x>>y;
		query[t].pb(mp(i,mp(x,y)));
	}
	
	REP1(i,n){
		build(L[i]+1,i-1,-a[i]);
		build(i+1,R[i]-1,-a[i]);
		build(L[i]+1,R[i]-1,a[i]);
	}
	
	REP(i,n+1){
		for(auto k:work[i]){
			update(k.X.X,k.X.Y,k.Y);
		}
		for(auto k:query[i]){
			ans[k.X]=Q(i,k.Y.Y)-Q(i,k.Y.X-1);
		}
	}
	REP1(i,q)cout<<ans[i]<<"\n";
	return 0;
}

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 25196 KB Output is correct
2 Correct 18 ms 25324 KB Output is correct
3 Correct 18 ms 25324 KB Output is correct
4 Correct 18 ms 25324 KB Output is correct
5 Correct 20 ms 25324 KB Output is correct
6 Correct 22 ms 25324 KB Output is correct
7 Correct 19 ms 25324 KB Output is correct
8 Correct 18 ms 25324 KB Output is correct
9 Correct 19 ms 25324 KB Output is correct
10 Correct 18 ms 25324 KB Output is correct
11 Correct 21 ms 25324 KB Output is correct
12 Correct 18 ms 25324 KB Output is correct
13 Correct 18 ms 25324 KB Output is correct
14 Correct 18 ms 25324 KB Output is correct
15 Correct 18 ms 25324 KB Output is correct
16 Correct 18 ms 25324 KB Output is correct
17 Correct 18 ms 25324 KB Output is correct
18 Correct 18 ms 25324 KB Output is correct
19 Correct 18 ms 25452 KB Output is correct
20 Correct 18 ms 25324 KB Output is correct
21 Correct 18 ms 25324 KB Output is correct
22 Correct 20 ms 25324 KB Output is correct
23 Correct 21 ms 25324 KB Output is correct
24 Correct 18 ms 25324 KB Output is correct
25 Correct 19 ms 25324 KB Output is correct
26 Correct 18 ms 25324 KB Output is correct
27 Correct 18 ms 25324 KB Output is correct
28 Correct 18 ms 25324 KB Output is correct
29 Correct 18 ms 25324 KB Output is correct
30 Correct 18 ms 25324 KB Output is correct
31 Correct 19 ms 25324 KB Output is correct
32 Correct 18 ms 25324 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 25196 KB Output is correct
2 Correct 958 ms 56536 KB Output is correct
3 Correct 933 ms 56396 KB Output is correct
4 Correct 953 ms 57172 KB Output is correct
5 Correct 959 ms 58868 KB Output is correct
6 Correct 937 ms 57048 KB Output is correct
7 Correct 975 ms 56904 KB Output is correct
8 Correct 954 ms 60008 KB Output is correct
9 Correct 946 ms 58332 KB Output is correct
10 Correct 919 ms 56308 KB Output is correct
11 Correct 948 ms 58408 KB Output is correct
12 Correct 902 ms 57048 KB Output is correct
13 Correct 962 ms 58840 KB Output is correct
14 Correct 925 ms 58968 KB Output is correct
15 Correct 941 ms 58968 KB Output is correct
16 Correct 946 ms 57304 KB Output is correct

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 25196 KB Output is correct
2 Correct 994 ms 58128 KB Output is correct
3 Correct 964 ms 57488 KB Output is correct
4 Execution timed out 1002 ms 60048 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 877 ms 56848 KB Output is correct
2 Correct 864 ms 57108 KB Output is correct
3 Correct 898 ms 57616 KB Output is correct
4 Correct 873 ms 56592 KB Output is correct
5 Correct 858 ms 57104 KB Output is correct
6 Correct 858 ms 56976 KB Output is correct
7 Correct 876 ms 57488 KB Output is correct
8 Correct 885 ms 57232 KB Output is correct
9 Correct 867 ms 56860 KB Output is correct
10 Correct 888 ms 57344 KB Output is correct
11 Correct 892 ms 56960 KB Output is correct
12 Correct 883 ms 57104 KB Output is correct
13 Correct 873 ms 56976 KB Output is correct
14 Correct 887 ms 57360 KB Output is correct

Subtask #5
0 / 80.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 25196 KB Output is correct
2 Correct 18 ms 25324 KB Output is correct
3 Correct 18 ms 25324 KB Output is correct
4 Correct 18 ms 25324 KB Output is correct
5 Correct 20 ms 25324 KB Output is correct
6 Correct 22 ms 25324 KB Output is correct
7 Correct 19 ms 25324 KB Output is correct
8 Correct 18 ms 25324 KB Output is correct
9 Correct 19 ms 25324 KB Output is correct
10 Correct 18 ms 25324 KB Output is correct
11 Correct 21 ms 25324 KB Output is correct
12 Correct 18 ms 25324 KB Output is correct
13 Correct 18 ms 25324 KB Output is correct
14 Correct 18 ms 25324 KB Output is correct
15 Correct 18 ms 25324 KB Output is correct
16 Correct 18 ms 25324 KB Output is correct
17 Correct 18 ms 25324 KB Output is correct
18 Correct 18 ms 25324 KB Output is correct
19 Correct 18 ms 25452 KB Output is correct
20 Correct 18 ms 25324 KB Output is correct
21 Correct 18 ms 25324 KB Output is correct
22 Correct 20 ms 25324 KB Output is correct
23 Correct 21 ms 25324 KB Output is correct
24 Correct 18 ms 25324 KB Output is correct
25 Correct 19 ms 25324 KB Output is correct
26 Correct 18 ms 25324 KB Output is correct
27 Correct 18 ms 25324 KB Output is correct
28 Correct 18 ms 25324 KB Output is correct
29 Correct 18 ms 25324 KB Output is correct
30 Correct 18 ms 25324 KB Output is correct
31 Correct 19 ms 25324 KB Output is correct
32 Correct 18 ms 25324 KB Output is correct
33 Execution timed out 1020 ms 59024 KB Time limit exceeded
34 Halted 0 ms 0 KB -