답안 #37937

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
37937 2017-12-29T11:39:06 Z 14kg 꿈 (IOI13_dreaming) C++11
47 / 100
142 ms 13748 KB
#include "dreaming.h"
#include <vector>
#define N 100001
#define INF 2000000000

using namespace std;
int n, L, out, max_len, MAX1, MAX2;
int gd[N];
bool check[N], gd_check[N];
vector<pair<int,int> > r[N];

int max_f(int x, int y) { return x>y?x:y; }
int min_f(int x, int y) { return x<y?x:y; }

int g(int lev, int up_node){
    if(!gd_check[lev]){
        gd_check[lev]=true;
        for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++)
            if(it->first!=up_node) gd[lev]=max_f(gd[lev],it->second+g(it->first,lev));
    }
    return gd[lev];
}
void f(int lev, int up_len){
    int max1=0, max2=0, path, temp;

    check[lev]=true;
    for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++) {
        if(!check[it->first]) temp=g(it->first,lev)+it->second;
        else temp=up_len;

        if(max1<temp){
            max2=max1, max1=temp;
            path=it->first;
        }
        else if(max2<temp) max2=temp;
    }
    out=max_f(out,max1+max2);
    max_len=min_f(max_len,max1);

    for(vector<pair<int,int> >::iterator it=r[lev].begin(); it!=r[lev].end(); it++)
        if(!check[it->first]) f(it->first,(path==it->first?max2:max1)+it->second);
}

int travelTime(int _n, int m, int _L, int _a[], int _b[], int _t[]) {
    int x, y;

    n=_n, L=_L;
    for(int i=0; i<m; i++){
        x=_a[i]+1, y=_b[i]+1;
        r[x].push_back({y,_t[i]}), r[y].push_back({x,_t[i]});
    }

    for(int i=1; i<=n; i++)
        if(!check[i]){
            max_len=INF, f(i,0);

            if(MAX1<max_len) MAX2=MAX1, MAX1=max_len;
            else if(MAX2<max_len) MAX2=max_len;
        }
    return max_f(out,MAX1+MAX2+L);
}

Compilation message

dreaming.cpp: In function 'void f(int, int)':
dreaming.cpp:41:59: warning: 'path' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if(!check[it->first]) f(it->first,(path==it->first?max2:max1)+it->second);
                                           ~~~~~~~~~~~~~~~~^~~~~~~~~~~
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 10232 KB Output is correct
2 Correct 59 ms 9968 KB Output is correct
3 Correct 40 ms 8824 KB Output is correct
4 Correct 13 ms 3712 KB Output is correct
5 Correct 10 ms 3328 KB Output is correct
6 Correct 17 ms 4352 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 29 ms 5996 KB Output is correct
9 Correct 42 ms 7672 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 48 ms 8184 KB Output is correct
12 Correct 55 ms 9212 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 10232 KB Output is correct
2 Correct 59 ms 9968 KB Output is correct
3 Correct 40 ms 8824 KB Output is correct
4 Correct 13 ms 3712 KB Output is correct
5 Correct 10 ms 3328 KB Output is correct
6 Correct 17 ms 4352 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 29 ms 5996 KB Output is correct
9 Correct 42 ms 7672 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 48 ms 8184 KB Output is correct
12 Correct 55 ms 9212 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 3 ms 2688 KB Output is correct
28 Correct 3 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 3 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 5 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 10232 KB Output is correct
2 Correct 59 ms 9968 KB Output is correct
3 Correct 40 ms 8824 KB Output is correct
4 Correct 13 ms 3712 KB Output is correct
5 Correct 10 ms 3328 KB Output is correct
6 Correct 17 ms 4352 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 29 ms 5996 KB Output is correct
9 Correct 42 ms 7672 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 48 ms 8184 KB Output is correct
12 Correct 55 ms 9212 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 3 ms 2688 KB Output is correct
28 Correct 3 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 3 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 5 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 58 ms 10420 KB Output is correct
40 Correct 55 ms 9976 KB Output is correct
41 Correct 38 ms 8824 KB Output is correct
42 Correct 10 ms 3840 KB Output is correct
43 Correct 4 ms 2688 KB Output is correct
44 Correct 4 ms 2688 KB Output is correct
45 Correct 4 ms 2688 KB Output is correct
46 Correct 4 ms 2688 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2816 KB Output is correct
51 Correct 3 ms 2688 KB Output is correct
52 Correct 4 ms 2688 KB Output is correct
53 Correct 4 ms 2688 KB Output is correct
54 Correct 4 ms 2688 KB Output is correct
55 Correct 4 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 72 ms 8440 KB Output is correct
58 Correct 87 ms 8444 KB Output is correct
59 Correct 73 ms 8264 KB Output is correct
60 Correct 83 ms 8312 KB Output is correct
61 Correct 68 ms 8312 KB Output is correct
62 Correct 82 ms 8312 KB Output is correct
63 Correct 64 ms 8184 KB Output is correct
64 Correct 92 ms 8056 KB Output is correct
65 Correct 67 ms 8056 KB Output is correct
66 Correct 90 ms 8056 KB Output is correct
67 Correct 76 ms 8312 KB Output is correct
68 Correct 77 ms 8312 KB Output is correct
69 Correct 76 ms 8312 KB Output is correct
70 Correct 95 ms 8316 KB Output is correct
71 Correct 3 ms 2688 KB Output is correct
72 Correct 4 ms 2816 KB Output is correct
73 Correct 5 ms 2816 KB Output is correct
74 Correct 5 ms 2816 KB Output is correct
75 Correct 5 ms 2816 KB Output is correct
76 Correct 5 ms 2816 KB Output is correct
77 Correct 5 ms 2816 KB Output is correct
78 Correct 7 ms 2816 KB Output is correct
79 Correct 5 ms 2816 KB Output is correct
80 Correct 142 ms 8312 KB Output is correct
81 Correct 78 ms 8312 KB Output is correct
82 Correct 87 ms 8184 KB Output is correct
83 Correct 64 ms 8312 KB Output is correct
84 Correct 6 ms 2816 KB Output is correct
85 Correct 4 ms 2788 KB Output is correct
86 Correct 5 ms 2816 KB Output is correct
87 Correct 5 ms 2816 KB Output is correct
88 Correct 5 ms 2816 KB Output is correct
89 Correct 5 ms 2788 KB Output is correct
90 Correct 6 ms 2816 KB Output is correct
91 Correct 5 ms 2816 KB Output is correct
92 Correct 5 ms 2816 KB Output is correct
93 Correct 5 ms 2816 KB Output is correct
94 Correct 4 ms 2688 KB Output is correct
95 Correct 3 ms 2688 KB Output is correct
96 Correct 4 ms 2688 KB Output is correct
97 Correct 3 ms 2688 KB Output is correct
98 Correct 5 ms 2688 KB Output is correct
99 Correct 4 ms 2688 KB Output is correct
100 Correct 4 ms 2688 KB Output is correct
101 Correct 4 ms 2688 KB Output is correct
102 Correct 4 ms 2688 KB Output is correct
103 Correct 4 ms 2660 KB Output is correct
104 Correct 9 ms 3328 KB Output is correct
105 Correct 15 ms 4352 KB Output is correct
106 Correct 3 ms 2688 KB Output is correct
107 Correct 28 ms 5880 KB Output is correct
108 Correct 38 ms 7660 KB Output is correct
109 Correct 4 ms 2688 KB Output is correct
110 Correct 53 ms 8184 KB Output is correct
111 Correct 53 ms 9208 KB Output is correct
112 Correct 8 ms 2816 KB Output is correct
113 Correct 91 ms 13748 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 32 ms 5116 KB Output is correct
2 Incorrect 22 ms 5120 KB Output isn't correct
3 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 10232 KB Output is correct
2 Correct 59 ms 9968 KB Output is correct
3 Correct 40 ms 8824 KB Output is correct
4 Correct 13 ms 3712 KB Output is correct
5 Correct 10 ms 3328 KB Output is correct
6 Correct 17 ms 4352 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 29 ms 5996 KB Output is correct
9 Correct 42 ms 7672 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 48 ms 8184 KB Output is correct
12 Correct 55 ms 9212 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 4 ms 2812 KB Output is correct
16 Correct 5 ms 2788 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2816 KB Output is correct
19 Correct 5 ms 2816 KB Output is correct
20 Incorrect 4 ms 2688 KB Output isn't correct
21 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 66 ms 10232 KB Output is correct
2 Correct 59 ms 9968 KB Output is correct
3 Correct 40 ms 8824 KB Output is correct
4 Correct 13 ms 3712 KB Output is correct
5 Correct 10 ms 3328 KB Output is correct
6 Correct 17 ms 4352 KB Output is correct
7 Correct 4 ms 2688 KB Output is correct
8 Correct 29 ms 5996 KB Output is correct
9 Correct 42 ms 7672 KB Output is correct
10 Correct 4 ms 2816 KB Output is correct
11 Correct 48 ms 8184 KB Output is correct
12 Correct 55 ms 9212 KB Output is correct
13 Correct 5 ms 2816 KB Output is correct
14 Correct 3 ms 2688 KB Output is correct
15 Correct 3 ms 2688 KB Output is correct
16 Correct 4 ms 2688 KB Output is correct
17 Correct 4 ms 2688 KB Output is correct
18 Correct 4 ms 2688 KB Output is correct
19 Correct 4 ms 2688 KB Output is correct
20 Correct 3 ms 2688 KB Output is correct
21 Correct 4 ms 2688 KB Output is correct
22 Correct 4 ms 2688 KB Output is correct
23 Correct 4 ms 2688 KB Output is correct
24 Correct 4 ms 2688 KB Output is correct
25 Correct 4 ms 2688 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 3 ms 2688 KB Output is correct
28 Correct 3 ms 2688 KB Output is correct
29 Correct 4 ms 2688 KB Output is correct
30 Correct 4 ms 2688 KB Output is correct
31 Correct 4 ms 2688 KB Output is correct
32 Correct 4 ms 2688 KB Output is correct
33 Correct 4 ms 2688 KB Output is correct
34 Correct 4 ms 2688 KB Output is correct
35 Correct 3 ms 2688 KB Output is correct
36 Correct 4 ms 2688 KB Output is correct
37 Correct 5 ms 2688 KB Output is correct
38 Correct 4 ms 2688 KB Output is correct
39 Correct 58 ms 10420 KB Output is correct
40 Correct 55 ms 9976 KB Output is correct
41 Correct 38 ms 8824 KB Output is correct
42 Correct 10 ms 3840 KB Output is correct
43 Correct 4 ms 2688 KB Output is correct
44 Correct 4 ms 2688 KB Output is correct
45 Correct 4 ms 2688 KB Output is correct
46 Correct 4 ms 2688 KB Output is correct
47 Correct 4 ms 2688 KB Output is correct
48 Correct 4 ms 2688 KB Output is correct
49 Correct 4 ms 2688 KB Output is correct
50 Correct 4 ms 2816 KB Output is correct
51 Correct 3 ms 2688 KB Output is correct
52 Correct 4 ms 2688 KB Output is correct
53 Correct 4 ms 2688 KB Output is correct
54 Correct 4 ms 2688 KB Output is correct
55 Correct 4 ms 2688 KB Output is correct
56 Correct 4 ms 2688 KB Output is correct
57 Correct 72 ms 8440 KB Output is correct
58 Correct 87 ms 8444 KB Output is correct
59 Correct 73 ms 8264 KB Output is correct
60 Correct 83 ms 8312 KB Output is correct
61 Correct 68 ms 8312 KB Output is correct
62 Correct 82 ms 8312 KB Output is correct
63 Correct 64 ms 8184 KB Output is correct
64 Correct 92 ms 8056 KB Output is correct
65 Correct 67 ms 8056 KB Output is correct
66 Correct 90 ms 8056 KB Output is correct
67 Correct 76 ms 8312 KB Output is correct
68 Correct 77 ms 8312 KB Output is correct
69 Correct 76 ms 8312 KB Output is correct
70 Correct 95 ms 8316 KB Output is correct
71 Correct 3 ms 2688 KB Output is correct
72 Correct 4 ms 2816 KB Output is correct
73 Correct 5 ms 2816 KB Output is correct
74 Correct 5 ms 2816 KB Output is correct
75 Correct 5 ms 2816 KB Output is correct
76 Correct 5 ms 2816 KB Output is correct
77 Correct 5 ms 2816 KB Output is correct
78 Correct 7 ms 2816 KB Output is correct
79 Correct 5 ms 2816 KB Output is correct
80 Correct 142 ms 8312 KB Output is correct
81 Correct 78 ms 8312 KB Output is correct
82 Correct 87 ms 8184 KB Output is correct
83 Correct 64 ms 8312 KB Output is correct
84 Correct 6 ms 2816 KB Output is correct
85 Correct 4 ms 2788 KB Output is correct
86 Correct 5 ms 2816 KB Output is correct
87 Correct 5 ms 2816 KB Output is correct
88 Correct 5 ms 2816 KB Output is correct
89 Correct 5 ms 2788 KB Output is correct
90 Correct 6 ms 2816 KB Output is correct
91 Correct 5 ms 2816 KB Output is correct
92 Correct 5 ms 2816 KB Output is correct
93 Correct 5 ms 2816 KB Output is correct
94 Correct 4 ms 2688 KB Output is correct
95 Correct 3 ms 2688 KB Output is correct
96 Correct 4 ms 2688 KB Output is correct
97 Correct 3 ms 2688 KB Output is correct
98 Correct 5 ms 2688 KB Output is correct
99 Correct 4 ms 2688 KB Output is correct
100 Correct 4 ms 2688 KB Output is correct
101 Correct 4 ms 2688 KB Output is correct
102 Correct 4 ms 2688 KB Output is correct
103 Correct 4 ms 2660 KB Output is correct
104 Correct 9 ms 3328 KB Output is correct
105 Correct 15 ms 4352 KB Output is correct
106 Correct 3 ms 2688 KB Output is correct
107 Correct 28 ms 5880 KB Output is correct
108 Correct 38 ms 7660 KB Output is correct
109 Correct 4 ms 2688 KB Output is correct
110 Correct 53 ms 8184 KB Output is correct
111 Correct 53 ms 9208 KB Output is correct
112 Correct 8 ms 2816 KB Output is correct
113 Correct 91 ms 13748 KB Output is correct
114 Correct 32 ms 5116 KB Output is correct
115 Incorrect 22 ms 5120 KB Output isn't correct
116 Halted 0 ms 0 KB -