Submission #20822

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
20822	2017-02-18T06:59:23 Z	sgc109	Can polan into space? (OJUZ11_space)	C++11	100 / 100	163 ms	33208 KB

space

// #include <bits/stdc++.h>
#include <vector>
#include <cstdio>
#include <iostream>
#include <cstring>
#include <queue>
#include <set>
#include <map>
#include <cmath>
#include <algorithm>
#include <utility>
#include <string>
#include <unordered_map>
#define REP(i,a,b) for(int i=a;i<=b;++i)
#define FOR(i,n) for(int i=0;i<n;++i)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define sz(v) ((int)(v).size())
#define inp1(a) scanf("%d",&a)
#define inp2(a,b) scanf("%d%d",&a,&b)
#define inp3(a,b,c) scanf("%d%d%d",&a,&b,&c)
#define inp4(a,b,c,d) scanf("%d%d%d%d",&a,&b,&c,&d)
#define inp5(a,b,c,d,e) scanf("%d%d%d%d%d",&a,&b,&c,&d,&e)z
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef pair<int,int> pii;
typedef vector<pii> vii;
typedef vector<pll> vll;
typedef vector<vector<int> > vvi;
typedef pair<int,pair<int,int> > piii;
typedef pair<pii,pii> piiii;
typedef vector<piii> viii;
const double EPSILON = 1e-9;
const double PI = acos(-1);
const int MOD = 1000000007;
const int INF = 0x3c3c3c3c;
const long long INFL = 0x3c3c3c3c3c3c3c3c;
const int MAX_N = 102;

int N;
int cost[200003][3];
vi DAG[200003];
int visisted[200003];
vi v;
ll dp[200003][2];

void dfs(int here){
	if(visisted[here]) return;
	visisted[here]=1;
	for(int there : DAG[here]) dfs(there);
	v.pb(here);
}
ll solve(int pos, int prevGone){
	if(pos==N) return 0;
	ll& cache = dp[pos][prevGone];
	if(cache!=-1) return cache;
	ll ret=0;
	ll ans1,ans2;
	if(prevGone) {
		ans1=cost[pos][1]+solve(pos+1,1);
		ans2=0;
		if(pos<N-1) ans2=cost[pos][2]+solve(pos+1,0);
	}
	else {
		ans1=cost[pos][0]+solve(pos+1,1);
		ans2=0;
		if(pos<N-1) ans2=cost[pos][1]+solve(pos+1,0);
	}
	return cache=max(ans1,ans2);
}
void trace(int pos, int prevGone){
	if(pos==N-1) return;
	ll ans1 = (prevGone?cost[pos][1]+dp[pos+1][1]:cost[pos][0]+dp[pos+1][1]);
	ll ans2 = (prevGone?cost[pos][2]+dp[pos+1][0]:cost[pos][1]+dp[pos+1][0]);
	if(ans1>ans2){
		DAG[pos].pb(pos+1);
	}
	else {
		DAG[pos+1].pb(pos);
	}
	if(ans1>ans2) trace(pos+1,1);
	else trace(pos+1,0);
}
int main() {
	memset(dp,-1,sizeof(dp));
	inp1(N);
	FOR(i,N) FOR(j,3) inp1(cost[i][j]);
	printf("%lld\n",solve(0,0));
	trace(0,0);
	FOR(i,N) dfs(i);
	reverse(all(v));
	FOR(i,sz(v)) printf("%d ",v[i]+1);
	return 0;
}

Compilation message

space.cpp: In function 'll solve(int, int)':
space.cpp:60:5: warning: unused variable 'ret' [-Wunused-variable]
  ll ret=0;
     ^
space.cpp: In function 'int main()':
space.cpp:89:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  inp1(N);
         ^
space.cpp:90:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  FOR(i,N) FOR(j,3) inp1(cost[i][j]);
                                    ^

Subtask #1
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	12956 KB	Output is correct
2	Correct	3 ms	12956 KB	Output is correct
3	Correct	3 ms	12956 KB	Output is correct
4	Correct	0 ms	12956 KB	Output is correct
5	Correct	0 ms	12956 KB	Output is correct
6	Correct	0 ms	12956 KB	Output is correct
7	Correct	3 ms	12956 KB	Output is correct
8	Correct	0 ms	12956 KB	Output is correct
9	Correct	0 ms	12956 KB	Output is correct
10	Correct	0 ms	12956 KB	Output is correct
11	Correct	0 ms	12956 KB	Output is correct
12	Correct	3 ms	12956 KB	Output is correct
13	Correct	3 ms	12956 KB	Output is correct
14	Correct	3 ms	12956 KB	Output is correct
15	Correct	0 ms	12956 KB	Output is correct
16	Correct	0 ms	12956 KB	Output is correct
17	Correct	3 ms	12956 KB	Output is correct
18	Correct	0 ms	12956 KB	Output is correct
19	Correct	3 ms	12956 KB	Output is correct
20	Correct	0 ms	12956 KB	Output is correct
21	Correct	0 ms	12956 KB	Output is correct

Subtask #2
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	12956 KB	Output is correct
2	Correct	3 ms	12956 KB	Output is correct
3	Correct	3 ms	12956 KB	Output is correct
4	Correct	0 ms	12956 KB	Output is correct
5	Correct	0 ms	12956 KB	Output is correct
6	Correct	0 ms	12956 KB	Output is correct
7	Correct	3 ms	12956 KB	Output is correct
8	Correct	0 ms	12956 KB	Output is correct
9	Correct	0 ms	12956 KB	Output is correct
10	Correct	0 ms	12956 KB	Output is correct
11	Correct	0 ms	12956 KB	Output is correct
12	Correct	3 ms	12956 KB	Output is correct
13	Correct	3 ms	12956 KB	Output is correct
14	Correct	3 ms	12956 KB	Output is correct
15	Correct	0 ms	12956 KB	Output is correct
16	Correct	0 ms	12956 KB	Output is correct
17	Correct	3 ms	12956 KB	Output is correct
18	Correct	0 ms	12956 KB	Output is correct
19	Correct	3 ms	12956 KB	Output is correct
20	Correct	0 ms	12956 KB	Output is correct
21	Correct	0 ms	12956 KB	Output is correct
22	Correct	0 ms	12956 KB	Output is correct
23	Correct	0 ms	12956 KB	Output is correct
24	Correct	0 ms	12956 KB	Output is correct
25	Correct	0 ms	12956 KB	Output is correct
26	Correct	0 ms	12956 KB	Output is correct
27	Correct	3 ms	12956 KB	Output is correct
28	Correct	0 ms	12956 KB	Output is correct
29	Correct	3 ms	12956 KB	Output is correct
30	Correct	0 ms	12956 KB	Output is correct
31	Correct	0 ms	12956 KB	Output is correct
32	Correct	3 ms	12956 KB	Output is correct
33	Correct	0 ms	12956 KB	Output is correct
34	Correct	3 ms	12956 KB	Output is correct
35	Correct	0 ms	12956 KB	Output is correct
36	Correct	0 ms	12956 KB	Output is correct
37	Correct	0 ms	12956 KB	Output is correct

Subtask #3
23.0 / 23.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	12956 KB	Output is correct
2	Correct	3 ms	12956 KB	Output is correct
3	Correct	3 ms	12956 KB	Output is correct
4	Correct	0 ms	12956 KB	Output is correct
5	Correct	0 ms	12956 KB	Output is correct
6	Correct	0 ms	12956 KB	Output is correct
7	Correct	3 ms	12956 KB	Output is correct
8	Correct	0 ms	12956 KB	Output is correct
9	Correct	0 ms	12956 KB	Output is correct
10	Correct	0 ms	12956 KB	Output is correct
11	Correct	0 ms	12956 KB	Output is correct
12	Correct	3 ms	12956 KB	Output is correct
13	Correct	3 ms	12956 KB	Output is correct
14	Correct	3 ms	12956 KB	Output is correct
15	Correct	0 ms	12956 KB	Output is correct
16	Correct	0 ms	12956 KB	Output is correct
17	Correct	3 ms	12956 KB	Output is correct
18	Correct	0 ms	12956 KB	Output is correct
19	Correct	3 ms	12956 KB	Output is correct
20	Correct	0 ms	12956 KB	Output is correct
21	Correct	0 ms	12956 KB	Output is correct
22	Correct	0 ms	12956 KB	Output is correct
23	Correct	0 ms	12956 KB	Output is correct
24	Correct	0 ms	12956 KB	Output is correct
25	Correct	0 ms	12956 KB	Output is correct
26	Correct	0 ms	12956 KB	Output is correct
27	Correct	3 ms	12956 KB	Output is correct
28	Correct	0 ms	12956 KB	Output is correct
29	Correct	3 ms	12956 KB	Output is correct
30	Correct	0 ms	12956 KB	Output is correct
31	Correct	0 ms	12956 KB	Output is correct
32	Correct	3 ms	12956 KB	Output is correct
33	Correct	0 ms	12956 KB	Output is correct
34	Correct	3 ms	12956 KB	Output is correct
35	Correct	0 ms	12956 KB	Output is correct
36	Correct	0 ms	12956 KB	Output is correct
37	Correct	0 ms	12956 KB	Output is correct
38	Correct	0 ms	12956 KB	Output is correct
39	Correct	0 ms	12956 KB	Output is correct
40	Correct	0 ms	12956 KB	Output is correct
41	Correct	0 ms	12956 KB	Output is correct
42	Correct	0 ms	12956 KB	Output is correct
43	Correct	0 ms	12956 KB	Output is correct
44	Correct	0 ms	12956 KB	Output is correct
45	Correct	3 ms	12956 KB	Output is correct
46	Correct	3 ms	12956 KB	Output is correct
47	Correct	0 ms	12956 KB	Output is correct
48	Correct	3 ms	12956 KB	Output is correct
49	Correct	0 ms	12956 KB	Output is correct
50	Correct	3 ms	12956 KB	Output is correct
51	Correct	0 ms	12956 KB	Output is correct
52	Correct	3 ms	12956 KB	Output is correct
53	Correct	0 ms	12956 KB	Output is correct

Subtask #4
26.0 / 26.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	12956 KB	Output is correct
2	Correct	3 ms	12956 KB	Output is correct
3	Correct	3 ms	12956 KB	Output is correct
4	Correct	0 ms	12956 KB	Output is correct
5	Correct	0 ms	12956 KB	Output is correct
6	Correct	0 ms	12956 KB	Output is correct
7	Correct	3 ms	12956 KB	Output is correct
8	Correct	0 ms	12956 KB	Output is correct
9	Correct	0 ms	12956 KB	Output is correct
10	Correct	0 ms	12956 KB	Output is correct
11	Correct	0 ms	12956 KB	Output is correct
12	Correct	3 ms	12956 KB	Output is correct
13	Correct	3 ms	12956 KB	Output is correct
14	Correct	3 ms	12956 KB	Output is correct
15	Correct	0 ms	12956 KB	Output is correct
16	Correct	0 ms	12956 KB	Output is correct
17	Correct	3 ms	12956 KB	Output is correct
18	Correct	0 ms	12956 KB	Output is correct
19	Correct	3 ms	12956 KB	Output is correct
20	Correct	0 ms	12956 KB	Output is correct
21	Correct	0 ms	12956 KB	Output is correct
22	Correct	0 ms	12956 KB	Output is correct
23	Correct	0 ms	12956 KB	Output is correct
24	Correct	0 ms	12956 KB	Output is correct
25	Correct	0 ms	12956 KB	Output is correct
26	Correct	0 ms	12956 KB	Output is correct
27	Correct	3 ms	12956 KB	Output is correct
28	Correct	0 ms	12956 KB	Output is correct
29	Correct	3 ms	12956 KB	Output is correct
30	Correct	0 ms	12956 KB	Output is correct
31	Correct	0 ms	12956 KB	Output is correct
32	Correct	3 ms	12956 KB	Output is correct
33	Correct	0 ms	12956 KB	Output is correct
34	Correct	3 ms	12956 KB	Output is correct
35	Correct	0 ms	12956 KB	Output is correct
36	Correct	0 ms	12956 KB	Output is correct
37	Correct	0 ms	12956 KB	Output is correct
38	Correct	0 ms	12956 KB	Output is correct
39	Correct	0 ms	12956 KB	Output is correct
40	Correct	0 ms	12956 KB	Output is correct
41	Correct	0 ms	12956 KB	Output is correct
42	Correct	0 ms	12956 KB	Output is correct
43	Correct	0 ms	12956 KB	Output is correct
44	Correct	0 ms	12956 KB	Output is correct
45	Correct	3 ms	12956 KB	Output is correct
46	Correct	3 ms	12956 KB	Output is correct
47	Correct	0 ms	12956 KB	Output is correct
48	Correct	3 ms	12956 KB	Output is correct
49	Correct	0 ms	12956 KB	Output is correct
50	Correct	3 ms	12956 KB	Output is correct
51	Correct	0 ms	12956 KB	Output is correct
52	Correct	3 ms	12956 KB	Output is correct
53	Correct	0 ms	12956 KB	Output is correct
54	Correct	0 ms	12956 KB	Output is correct
55	Correct	6 ms	13892 KB	Output is correct
56	Correct	13 ms	13856 KB	Output is correct
57	Correct	13 ms	13888 KB	Output is correct
58	Correct	9 ms	13892 KB	Output is correct
59	Correct	3 ms	13892 KB	Output is correct
60	Correct	6 ms	13884 KB	Output is correct
61	Correct	6 ms	13848 KB	Output is correct
62	Correct	6 ms	13552 KB	Output is correct
63	Correct	0 ms	13088 KB	Output is correct
64	Correct	9 ms	13892 KB	Output is correct
65	Correct	3 ms	13852 KB	Output is correct
66	Correct	6 ms	13892 KB	Output is correct
67	Correct	3 ms	13264 KB	Output is correct
68	Correct	0 ms	13156 KB	Output is correct
69	Correct	3 ms	13728 KB	Output is correct

Subtask #5
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	12956 KB	Output is correct
2	Correct	3 ms	12956 KB	Output is correct
3	Correct	3 ms	12956 KB	Output is correct
4	Correct	0 ms	12956 KB	Output is correct
5	Correct	0 ms	12956 KB	Output is correct
6	Correct	0 ms	12956 KB	Output is correct
7	Correct	3 ms	12956 KB	Output is correct
8	Correct	0 ms	12956 KB	Output is correct
9	Correct	0 ms	12956 KB	Output is correct
10	Correct	0 ms	12956 KB	Output is correct
11	Correct	0 ms	12956 KB	Output is correct
12	Correct	3 ms	12956 KB	Output is correct
13	Correct	3 ms	12956 KB	Output is correct
14	Correct	3 ms	12956 KB	Output is correct
15	Correct	0 ms	12956 KB	Output is correct
16	Correct	0 ms	12956 KB	Output is correct
17	Correct	3 ms	12956 KB	Output is correct
18	Correct	0 ms	12956 KB	Output is correct
19	Correct	3 ms	12956 KB	Output is correct
20	Correct	0 ms	12956 KB	Output is correct
21	Correct	0 ms	12956 KB	Output is correct
22	Correct	0 ms	12956 KB	Output is correct
23	Correct	0 ms	12956 KB	Output is correct
24	Correct	0 ms	12956 KB	Output is correct
25	Correct	0 ms	12956 KB	Output is correct
26	Correct	0 ms	12956 KB	Output is correct
27	Correct	3 ms	12956 KB	Output is correct
28	Correct	0 ms	12956 KB	Output is correct
29	Correct	3 ms	12956 KB	Output is correct
30	Correct	0 ms	12956 KB	Output is correct
31	Correct	0 ms	12956 KB	Output is correct
32	Correct	3 ms	12956 KB	Output is correct
33	Correct	0 ms	12956 KB	Output is correct
34	Correct	3 ms	12956 KB	Output is correct
35	Correct	0 ms	12956 KB	Output is correct
36	Correct	0 ms	12956 KB	Output is correct
37	Correct	0 ms	12956 KB	Output is correct
38	Correct	0 ms	12956 KB	Output is correct
39	Correct	0 ms	12956 KB	Output is correct
40	Correct	0 ms	12956 KB	Output is correct
41	Correct	0 ms	12956 KB	Output is correct
42	Correct	0 ms	12956 KB	Output is correct
43	Correct	0 ms	12956 KB	Output is correct
44	Correct	0 ms	12956 KB	Output is correct
45	Correct	3 ms	12956 KB	Output is correct
46	Correct	3 ms	12956 KB	Output is correct
47	Correct	0 ms	12956 KB	Output is correct
48	Correct	3 ms	12956 KB	Output is correct
49	Correct	0 ms	12956 KB	Output is correct
50	Correct	3 ms	12956 KB	Output is correct
51	Correct	0 ms	12956 KB	Output is correct
52	Correct	3 ms	12956 KB	Output is correct
53	Correct	0 ms	12956 KB	Output is correct
54	Correct	0 ms	12956 KB	Output is correct
55	Correct	6 ms	13892 KB	Output is correct
56	Correct	13 ms	13856 KB	Output is correct
57	Correct	13 ms	13888 KB	Output is correct
58	Correct	9 ms	13892 KB	Output is correct
59	Correct	3 ms	13892 KB	Output is correct
60	Correct	6 ms	13884 KB	Output is correct
61	Correct	6 ms	13848 KB	Output is correct
62	Correct	6 ms	13552 KB	Output is correct
63	Correct	0 ms	13088 KB	Output is correct
64	Correct	9 ms	13892 KB	Output is correct
65	Correct	3 ms	13852 KB	Output is correct
66	Correct	6 ms	13892 KB	Output is correct
67	Correct	3 ms	13264 KB	Output is correct
68	Correct	0 ms	13156 KB	Output is correct
69	Correct	3 ms	13728 KB	Output is correct
70	Correct	6 ms	13884 KB	Output is correct
71	Correct	143 ms	31440 KB	Output is correct
72	Correct	153 ms	33204 KB	Output is correct
73	Correct	136 ms	31444 KB	Output is correct
74	Correct	106 ms	33208 KB	Output is correct
75	Correct	139 ms	31444 KB	Output is correct
76	Correct	143 ms	31444 KB	Output is correct
77	Correct	66 ms	20640 KB	Output is correct
78	Correct	163 ms	31444 KB	Output is correct
79	Correct	133 ms	31444 KB	Output is correct
80	Correct	129 ms	33208 KB	Output is correct
81	Correct	26 ms	16696 KB	Output is correct
82	Correct	116 ms	25908 KB	Output is correct
83	Correct	143 ms	31452 KB	Output is correct
84	Correct	139 ms	31444 KB	Output is correct
85	Correct	163 ms	31444 KB	Output is correct
86	Correct	153 ms	31448 KB	Output is correct
87	Correct	156 ms	30080 KB	Output is correct
88	Correct	23 ms	15748 KB	Output is correct
89	Correct	89 ms	23292 KB	Output is correct
90	Correct	53 ms	23060 KB	Output is correct
91	Correct	3 ms	13852 KB	Output is correct
92	Correct	46 ms	23064 KB	Output is correct

Submission #20822

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 26.0 / 26.0

Subtask #5 28.0 / 28.0

Subtask #1
11.0 / 11.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
26.0 / 26.0

Subtask #5
28.0 / 28.0