답안 #64206 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
64206	2018-08-03T13:39:06 Z	gs14004	물탱크 (KOI18_watertank)	C++17	100 / 100	1555 ms	189000 KB

watertank

#include <bits/stdc++.h>
using namespace std;
using pi = pair<int, int>;
using lint = long long;
const int MAXN = 1005;

struct disj{
	int pa[1000005];
	void init(int n){
		iota(pa, pa + n + 1, 0);
	}
	int find(int x){
		return pa[x] = (pa[x] == x ? x : find(pa[x]));
	}
	bool uni(int p, int q){
		p = find(p);
		q = find(q);
		if(p == q) return 0;
		pa[q] = p; return 1;
	}
}disj;



int n, m, h;
vector<pi> e[MAXN];
vector<pi> gph[1000005];

lint dfs(int x, int p, int e){
	lint ret = e;
	for(auto &i : gph[x]){
		if(i.second != p){
			ret += dfs(i.second, x, max(e, i.first));
		}
	}
	return ret;
}

int get(int x, int y){
	if(1 <= x && x <= n && 1 <= y && y <= m){
		return (x - 1) * m + (y - 1) + 1;
	}
	else return 0;
}

int main(){
	cin >> n >> m >> h;
	disj.init(n * m);
	for(int i=0; i<n+1; i++){
		for(int j=1; j<=m; j++){
			int l = get(i, j);
			int r = get(i + 1, j);
			int x;
			scanf("%d",&x);
			if(x == -1) x = h;
			e[x].push_back(pi(l, r));
		}
	}
	for(int i=1; i<=n; i++){
		for(int j=0; j<m+1; j++){
			int l = get(i, j);
			int r = get(i, j + 1);
			int x;
			scanf("%d",&x);
			if(x == -1) x = h;
			e[x].push_back(pi(l, r));
		}
	}
	for(int i=0; i<=h; i++){
		for(auto &j : e[i]){
			if(disj.uni(j.first, j.second)){
				gph[j.first].push_back(pi(i, j.second));
				gph[j.second].push_back(pi(i, j.first));
			}
		}
	}
	cout << dfs(0, -1, 0) << endl;
}

Compilation message

watertank.cpp: In function 'int main()':
watertank.cpp:54:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&x);
    ~~~~~^~~~~~~~~
watertank.cpp:64:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",&x);
    ~~~~~^~~~~~~~~

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	26 ms	23800 KB	Output is correct
2	Correct	22 ms	24044 KB	Output is correct
3	Correct	22 ms	24044 KB	Output is correct
4	Correct	27 ms	24044 KB	Output is correct
5	Correct	27 ms	24044 KB	Output is correct
6	Correct	23 ms	24044 KB	Output is correct
7	Correct	26 ms	24044 KB	Output is correct
8	Correct	27 ms	24084 KB	Output is correct
9	Correct	28 ms	24140 KB	Output is correct
10	Correct	27 ms	24152 KB	Output is correct
11	Correct	26 ms	24152 KB	Output is correct

Subtask #2
18.0 / 18.0

#	결과	실행 시간	메모리	Grader output
1	Correct	24 ms	24152 KB	Output is correct
2	Correct	27 ms	24300 KB	Output is correct
3	Correct	24 ms	24300 KB	Output is correct
4	Correct	24 ms	24300 KB	Output is correct
5	Correct	24 ms	24300 KB	Output is correct
6	Correct	23 ms	24300 KB	Output is correct
7	Correct	23 ms	24300 KB	Output is correct
8	Correct	23 ms	24300 KB	Output is correct
9	Correct	22 ms	24300 KB	Output is correct
10	Correct	26 ms	24300 KB	Output is correct
11	Correct	23 ms	24300 KB	Output is correct
12	Correct	24 ms	24300 KB	Output is correct
13	Correct	24 ms	24316 KB	Output is correct
14	Correct	26 ms	24328 KB	Output is correct
15	Correct	26 ms	24328 KB	Output is correct
16	Correct	23 ms	24328 KB	Output is correct
17	Correct	24 ms	24344 KB	Output is correct
18	Correct	27 ms	24344 KB	Output is correct

Subtask #3
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	568 ms	81140 KB	Output is correct
2	Correct	25 ms	81140 KB	Output is correct
3	Correct	602 ms	81140 KB	Output is correct
4	Correct	615 ms	89520 KB	Output is correct
5	Correct	23 ms	89520 KB	Output is correct
6	Correct	638 ms	100212 KB	Output is correct
7	Correct	780 ms	100212 KB	Output is correct
8	Correct	617 ms	104648 KB	Output is correct
9	Correct	676 ms	104648 KB	Output is correct
10	Correct	28 ms	104648 KB	Output is correct
11	Correct	595 ms	117576 KB	Output is correct
12	Correct	23 ms	117576 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	117576 KB	Output is correct
2	Correct	25 ms	117576 KB	Output is correct
3	Correct	25 ms	117576 KB	Output is correct
4	Correct	29 ms	117576 KB	Output is correct
5	Correct	23 ms	117576 KB	Output is correct
6	Correct	27 ms	117576 KB	Output is correct
7	Correct	27 ms	117576 KB	Output is correct
8	Correct	29 ms	117576 KB	Output is correct
9	Correct	26 ms	117576 KB	Output is correct
10	Correct	29 ms	117576 KB	Output is correct
11	Correct	26 ms	117576 KB	Output is correct
12	Correct	24 ms	117576 KB	Output is correct
13	Correct	30 ms	117576 KB	Output is correct
14	Correct	24 ms	117576 KB	Output is correct
15	Correct	23 ms	117576 KB	Output is correct
16	Correct	29 ms	117576 KB	Output is correct
17	Correct	25 ms	117576 KB	Output is correct
18	Correct	28 ms	117576 KB	Output is correct
19	Correct	26 ms	117576 KB	Output is correct

Subtask #5
40.0 / 40.0

#	결과	실행 시간	메모리	Grader output
1	Correct	27 ms	117576 KB	Output is correct
2	Correct	22 ms	117576 KB	Output is correct
3	Correct	23 ms	117576 KB	Output is correct
4	Correct	26 ms	117576 KB	Output is correct
5	Correct	27 ms	117576 KB	Output is correct
6	Correct	547 ms	119892 KB	Output is correct
7	Correct	26 ms	119892 KB	Output is correct
8	Correct	29 ms	119892 KB	Output is correct
9	Correct	734 ms	119892 KB	Output is correct
10	Correct	25 ms	119892 KB	Output is correct
11	Correct	28 ms	119892 KB	Output is correct
12	Correct	581 ms	125220 KB	Output is correct
13	Correct	499 ms	125220 KB	Output is correct
14	Correct	26 ms	125220 KB	Output is correct
15	Correct	1097 ms	125220 KB	Output is correct
16	Correct	21 ms	125220 KB	Output is correct
17	Correct	23 ms	125220 KB	Output is correct
18	Correct	22 ms	125220 KB	Output is correct
19	Correct	586 ms	125220 KB	Output is correct
20	Correct	27 ms	125220 KB	Output is correct
21	Correct	1555 ms	131000 KB	Output is correct
22	Correct	27 ms	131000 KB	Output is correct
23	Correct	27 ms	131000 KB	Output is correct
24	Correct	26 ms	131000 KB	Output is correct
25	Correct	25 ms	131000 KB	Output is correct
26	Correct	26 ms	131000 KB	Output is correct
27	Correct	26 ms	131000 KB	Output is correct
28	Correct	1400 ms	131072 KB	Output is correct
29	Correct	604 ms	131072 KB	Output is correct
30	Correct	501 ms	131072 KB	Output is correct
31	Correct	518 ms	131072 KB	Output is correct
32	Correct	937 ms	131072 KB	Output is correct
33	Correct	28 ms	131072 KB	Output is correct
34	Correct	609 ms	131072 KB	Output is correct
35	Correct	26 ms	131072 KB	Output is correct
36	Correct	24 ms	131072 KB	Output is correct
37	Correct	29 ms	131072 KB	Output is correct
38	Correct	660 ms	131072 KB	Output is correct
39	Correct	543 ms	189000 KB	Output is correct
40	Correct	24 ms	189000 KB	Output is correct
41	Correct	24 ms	189000 KB	Output is correct
42	Correct	22 ms	189000 KB	Output is correct
43	Correct	30 ms	189000 KB	Output is correct
44	Correct	767 ms	189000 KB	Output is correct
45	Correct	1391 ms	189000 KB	Output is correct
46	Correct	21 ms	189000 KB	Output is correct

답안 #64206

Compilation message

Subtask #1 6.0 / 6.0

Subtask #2 18.0 / 18.0

Subtask #3 15.0 / 15.0

Subtask #4 21.0 / 21.0

Subtask #5 40.0 / 40.0

Subtask #1
6.0 / 6.0

Subtask #2
18.0 / 18.0

Subtask #3
15.0 / 15.0

Subtask #4
21.0 / 21.0

Subtask #5
40.0 / 40.0