oj.uz

Submission #157472

# Submission time Handle Problem Language Result Execution time Memory
157472 2019-10-11T19:25:25 Z GioChkhaidze Foehn Phenomena (JOI17_foehn_phenomena) C++14
100 / 100
 498 ms 15864 KB 
#pragma GCC optimize ("O3")
#pragma GCC optimize ("Ofast")
#include <bits/stdc++.h>
#define Tree int h,int l,int r
#define left 2*h,l,(l+r)/2
#define right 2*h+1,(l+r)/2+1,r
using namespace std;
const int N=2e5+5;
long long n,q,s,t,L,R,X,ANS,idx,x,y,V=0;
long long a[N],v[6*N];
void Get(Tree) {
	if (idx<l || r<idx) return ; V+=v[h];
	if (l==idx && r==idx) return ;
	Get(left),Get(right);
}
void Upd(Tree) {
	if (R<l || r<L) return ;
	if (L<=l && r<=R) { v[h]+=X; return ; }
	Upd(left),Upd(right);
}
void RectL(long long x,long long y,long long X)  {
	if (x<y) {
		ANS+=(y-x)*s;
		y+=X;
		if (x<y) ANS-=(y-x)*s;	
			else ANS+=(x-y)*t;				
	}
		else {
		ANS-=(x-y)*t;
		y+=X;
		if (x<y) ANS-=(y-x)*s;	
			else ANS+=(x-y)*t;				
	}
}
void RectR(long long x,long long y,long long X)  {
	if (x<y) {
		ANS+=(y-x)*s;
		x+=X;
		if (x<y) ANS-=(y-x)*s;	
			else ANS+=(x-y)*t;	
	}
		else {
		ANS-=(x-y)*t;	
		x+=X;
		if (x<y) ANS-=(y-x)*s;	
			else ANS+=(x-y)*t;	
	}
}
main () { 
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin>>n>>q>>s>>t;
	for (int i=0; i<=n; i++) {
		cin>>a[i];
		if (i)  {
			if (a[i-1]<a[i]) ANS-=(a[i]-a[i-1])*s;	
						else ANS+=(a[i-1]-a[i])*t;
						
 			L=i,R=i,X=a[i];
			Upd(1,1,n);
		}
	}
	
	while (q--) {
		cin>>L>>R>>X;

		if (R==n) {
			idx=L-1,V=0,Get(1,1,n),x=V;
			idx=L,V=0,Get(1,1,n),y=V;
			RectL(x,y,X);
		}
			else { 
			idx=L-1,V=0,Get(1,1,n),x=V;
			idx=L,V=0,Get(1,1,n),y=V;
			RectL(x,y,X);
			idx=R,V=0,Get(1,1,n),x=V;
			idx=R+1,V=0,Get(1,1,n),y=V;
			RectR(x,y,X);
		}
		
		Upd(1,1,n);
		cout<<ANS<<"\n";
	}
}

Compilation message

foehn_phenomena.cpp: In function 'void Get(int, int, int)':
foehn_phenomena.cpp:12:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if (idx<l || r<idx) return ; V+=v[h];
  ^~
foehn_phenomena.cpp:12:31: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if (idx<l || r<idx) return ; V+=v[h];
                               ^
foehn_phenomena.cpp: At global scope:
foehn_phenomena.cpp:49:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () { 
       ^

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 504 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 508 KB Output is correct
10 Correct 5 ms 504 KB Output is correct
11 Correct 5 ms 504 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 4 ms 504 KB Output is correct
15 Correct 5 ms 504 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 438 ms 7520 KB Output is correct
2 Correct 432 ms 8104 KB Output is correct
3 Correct 438 ms 8696 KB Output is correct
4 Correct 432 ms 7884 KB Output is correct
5 Correct 435 ms 14668 KB Output is correct
6 Correct 158 ms 12648 KB Output is correct
7 Correct 157 ms 12664 KB Output is correct
8 Correct 367 ms 14456 KB Output is correct
9 Correct 374 ms 14732 KB Output is correct
10 Correct 365 ms 13432 KB Output is correct
11 Correct 228 ms 12536 KB Output is correct
12 Correct 163 ms 13304 KB Output is correct
13 Correct 203 ms 13488 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 376 KB Output is correct
2 Correct 5 ms 504 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 5 ms 504 KB Output is correct
5 Correct 5 ms 504 KB Output is correct
6 Correct 5 ms 504 KB Output is correct
7 Correct 5 ms 504 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 508 KB Output is correct
10 Correct 5 ms 504 KB Output is correct
11 Correct 5 ms 504 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 3 ms 376 KB Output is correct
14 Correct 4 ms 504 KB Output is correct
15 Correct 5 ms 504 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 4 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 438 ms 7520 KB Output is correct
23 Correct 432 ms 8104 KB Output is correct
24 Correct 438 ms 8696 KB Output is correct
25 Correct 432 ms 7884 KB Output is correct
26 Correct 435 ms 14668 KB Output is correct
27 Correct 158 ms 12648 KB Output is correct
28 Correct 157 ms 12664 KB Output is correct
29 Correct 367 ms 14456 KB Output is correct
30 Correct 374 ms 14732 KB Output is correct
31 Correct 365 ms 13432 KB Output is correct
32 Correct 228 ms 12536 KB Output is correct
33 Correct 163 ms 13304 KB Output is correct
34 Correct 203 ms 13488 KB Output is correct
35 Correct 428 ms 12920 KB Output is correct
36 Correct 455 ms 14664 KB Output is correct
37 Correct 449 ms 15224 KB Output is correct
38 Correct 498 ms 15096 KB Output is correct
39 Correct 490 ms 15216 KB Output is correct
40 Correct 472 ms 15096 KB Output is correct
41 Correct 442 ms 14840 KB Output is correct
42 Correct 457 ms 14968 KB Output is correct
43 Correct 453 ms 14200 KB Output is correct
44 Correct 434 ms 14704 KB Output is correct
45 Correct 437 ms 14744 KB Output is correct
46 Correct 451 ms 15864 KB Output is correct
47 Correct 159 ms 13432 KB Output is correct
48 Correct 226 ms 13304 KB Output is correct
49 Correct 462 ms 13432 KB Output is correct
50 Correct 231 ms 13176 KB Output is correct
51 Correct 156 ms 13444 KB Output is correct
52 Correct 280 ms 13368 KB Output is correct