oj.uz

Submission #26214

# Submission time Handle Problem Language Result Execution time Memory
26214 2017-06-28T11:27:32 Z imsifile Abduction 2 (JOI17_abduction2) C++
44 / 100
 183 ms 16360 KB 
#include<stdio.h>
#include<memory.h>
#include<algorithm>
#include<map>
using namespace std;

struct seg {
	int j2, itr[150000];
	seg(){ j2 = 1<<16; memset(itr, 0x3f, sizeof(itr)); }
	const int& operator[] (const int ix){ return itr[j2+ix]; }
	void add(int ix, int val){
		ix+=j2; itr[ix]=val;
		for(ix>>=1; ix; ix>>=1) itr[ix]=max(itr[ix*2],itr[ix*2+1]);
	}
	int getup(int ix, int val){
		ix+=j2;
		while(1){
			if(itr[ix]>val){
				if(ix>=j2) break;
				if(itr[ix*2]>val) ix*=2;
				else ix*=2, ix++;
			}
			else{
				if(ix%2) ix++;
				else ix>>=1;
			}
		}
		return ix-j2;
	}
	int getdown(int ix, int val){
		ix+=j2;
		while(1){
			if(itr[ix]>val){
				if(ix>=j2) break;
				if(itr[ix*2+1]>val) ix*=2, ix++;
				else ix*=2;
			}
			else{
				if(ix%2 == 0) ix--;
				else ix>>=1;
			}
		}
		return ix-j2;
	}
} ho, ver;

int H, W, Q;
map<pair<int,int>, int> vd, hd;

int verti(int, int);
int hori(int, int);

int verti(int h, int v){
	int gap = vd[make_pair(h,v)];
	if(gap) return gap;

	int up=0, down=0;
	up = ho.getup(h+1, ver[v]);
	if(up<=H) up = up-h + hori(v, up);
	else up = H-h;
	down = ho.getdown(h-1, ver[v]);
	if(down>=1) down = h-down + hori(v, down);
	else down = h-1;
	return vd[make_pair(h,v)] = max(up, down);
}

int hori(int v, int h){
	int gap = hd[make_pair(h,v)];
	if(gap) return gap;

	int up=0, down=0;
	up = ver.getup(v+1, ho[h]);
	if(up<=W) up = up-v + verti(h, up);
	else up = W-v;
	down = ver.getdown(v-1, ho[h]);
	if(down>=1) down = v-down + verti(h, down);
	else down = v-1;

	return hd[make_pair(h,v)] = max(up, down);
}

int main(){
	scanf("%d%d%d", &H, &W, &Q);
	for(int i=1; i<=H; i++){
		int a; scanf("%d", &a);
		ho.add(i, a);
	}
	for(int i=1; i<=W; i++){
		int a; scanf("%d", &a);
		ver.add(i, a);
	}
	while(Q--){
		int h, v;
		scanf("%d%d", &h, &v);
		printf("%d\n", max(verti(h, v), hori(v, h)));
	}
	return 0;
}

Compilation message

abduction2.cpp: In function 'int main()':
abduction2.cpp:83:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &H, &W, &Q);
                             ^
abduction2.cpp:85:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int a; scanf("%d", &a);
                         ^
abduction2.cpp:89:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int a; scanf("%d", &a);
                         ^
abduction2.cpp:94:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &h, &v);
                        ^

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2348 KB Output is correct
2 Correct 0 ms 2348 KB Output is correct
3 Correct 0 ms 2348 KB Output is correct
4 Correct 0 ms 2348 KB Output is correct
5 Correct 0 ms 2348 KB Output is correct
6 Correct 0 ms 2348 KB Output is correct
7 Correct 0 ms 2348 KB Output is correct
8 Correct 0 ms 2348 KB Output is correct
9 Correct 0 ms 2348 KB Output is correct
10 Correct 0 ms 2348 KB Output is correct
11 Correct 0 ms 2348 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2348 KB Output is correct
2 Correct 0 ms 2348 KB Output is correct
3 Correct 0 ms 2348 KB Output is correct
4 Correct 0 ms 2348 KB Output is correct
5 Correct 0 ms 2348 KB Output is correct
6 Correct 0 ms 2348 KB Output is correct
7 Correct 0 ms 2348 KB Output is correct
8 Correct 0 ms 2348 KB Output is correct
9 Correct 0 ms 2348 KB Output is correct
10 Correct 0 ms 2348 KB Output is correct
11 Correct 0 ms 2348 KB Output is correct
12 Correct 0 ms 2348 KB Output is correct
13 Correct 0 ms 2348 KB Output is correct
14 Correct 0 ms 2348 KB Output is correct
15 Correct 0 ms 2348 KB Output is correct
16 Correct 0 ms 2348 KB Output is correct
17 Correct 0 ms 2348 KB Output is correct
18 Correct 0 ms 2348 KB Output is correct
19 Correct 3 ms 2480 KB Output is correct
20 Correct 3 ms 2612 KB Output is correct
21 Correct 3 ms 2612 KB Output is correct
22 Correct 3 ms 2744 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2348 KB Output is correct
2 Correct 0 ms 2348 KB Output is correct
3 Correct 0 ms 2348 KB Output is correct
4 Correct 0 ms 2348 KB Output is correct
5 Correct 0 ms 2348 KB Output is correct
6 Correct 0 ms 2348 KB Output is correct
7 Correct 0 ms 2348 KB Output is correct
8 Correct 0 ms 2348 KB Output is correct
9 Correct 0 ms 2348 KB Output is correct
10 Correct 0 ms 2348 KB Output is correct
11 Correct 0 ms 2348 KB Output is correct
12 Correct 0 ms 2348 KB Output is correct
13 Correct 0 ms 2348 KB Output is correct
14 Correct 0 ms 2348 KB Output is correct
15 Correct 0 ms 2348 KB Output is correct
16 Correct 0 ms 2348 KB Output is correct
17 Correct 0 ms 2348 KB Output is correct
18 Correct 0 ms 2348 KB Output is correct
19 Correct 3 ms 2480 KB Output is correct
20 Correct 3 ms 2612 KB Output is correct
21 Correct 3 ms 2612 KB Output is correct
22 Correct 3 ms 2744 KB Output is correct
23 Correct 29 ms 2348 KB Output is correct
24 Correct 23 ms 2348 KB Output is correct
25 Correct 23 ms 2348 KB Output is correct
26 Correct 16 ms 2348 KB Output is correct
27 Correct 23 ms 2348 KB Output is correct
28 Correct 46 ms 6892 KB Output is correct
29 Correct 29 ms 2856 KB Output is correct
30 Correct 76 ms 8216 KB Output is correct
31 Correct 123 ms 10028 KB Output is correct
32 Correct 29 ms 2612 KB Output is correct
33 Correct 39 ms 4128 KB Output is correct

Subtask #4
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2480 KB Output is correct
2 Correct 3 ms 2480 KB Output is correct
3 Correct 3 ms 2480 KB Output is correct
4 Correct 3 ms 2480 KB Output is correct
5 Correct 0 ms 2480 KB Output is correct
6 Correct 0 ms 2480 KB Output is correct
7 Correct 3 ms 2480 KB Output is correct
8 Correct 6 ms 2744 KB Output is correct
9 Correct 3 ms 2744 KB Output is correct
10 Correct 6 ms 2744 KB Output is correct
11 Correct 6 ms 2876 KB Output is correct

Subtask #5
0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2348 KB Output is correct
2 Correct 0 ms 2348 KB Output is correct
3 Correct 0 ms 2348 KB Output is correct
4 Correct 0 ms 2348 KB Output is correct
5 Correct 0 ms 2348 KB Output is correct
6 Correct 0 ms 2348 KB Output is correct
7 Correct 0 ms 2348 KB Output is correct
8 Correct 0 ms 2348 KB Output is correct
9 Correct 0 ms 2348 KB Output is correct
10 Correct 0 ms 2348 KB Output is correct
11 Correct 0 ms 2348 KB Output is correct
12 Correct 0 ms 2348 KB Output is correct
13 Correct 0 ms 2348 KB Output is correct
14 Correct 0 ms 2348 KB Output is correct
15 Correct 0 ms 2348 KB Output is correct
16 Correct 0 ms 2348 KB Output is correct
17 Correct 0 ms 2348 KB Output is correct
18 Correct 0 ms 2348 KB Output is correct
19 Correct 3 ms 2480 KB Output is correct
20 Correct 3 ms 2612 KB Output is correct
21 Correct 3 ms 2612 KB Output is correct
22 Correct 3 ms 2744 KB Output is correct
23 Correct 29 ms 2348 KB Output is correct
24 Correct 23 ms 2348 KB Output is correct
25 Correct 23 ms 2348 KB Output is correct
26 Correct 16 ms 2348 KB Output is correct
27 Correct 23 ms 2348 KB Output is correct
28 Correct 46 ms 6892 KB Output is correct
29 Correct 29 ms 2856 KB Output is correct
30 Correct 76 ms 8216 KB Output is correct
31 Correct 123 ms 10028 KB Output is correct
32 Correct 29 ms 2612 KB Output is correct
33 Correct 39 ms 4128 KB Output is correct
34 Correct 3 ms 2480 KB Output is correct
35 Correct 3 ms 2480 KB Output is correct
36 Correct 3 ms 2480 KB Output is correct
37 Correct 3 ms 2480 KB Output is correct
38 Correct 0 ms 2480 KB Output is correct
39 Correct 0 ms 2480 KB Output is correct
40 Correct 3 ms 2480 KB Output is correct
41 Correct 6 ms 2744 KB Output is correct
42 Correct 3 ms 2744 KB Output is correct
43 Correct 6 ms 2744 KB Output is correct
44 Correct 6 ms 2876 KB Output is correct
45 Correct 29 ms 2612 KB Output is correct
46 Correct 36 ms 2612 KB Output is correct
47 Correct 29 ms 2612 KB Output is correct
48 Correct 26 ms 2612 KB Output is correct
49 Correct 26 ms 2612 KB Output is correct
50 Correct 53 ms 6480 KB Output is correct
51 Correct 46 ms 7072 KB Output is correct
52 Correct 123 ms 12284 KB Output is correct
53 Correct 133 ms 11956 KB Output is correct
54 Correct 116 ms 11436 KB Output is correct
55 Incorrect 183 ms 16360 KB Output isn't correct
56 Halted 0 ms 0 KB -