oj.uz

Submission #292907

# Submission time Handle Problem Language Result Execution time Memory
292907 2020-09-07T14:44:36 Z 문홍윤(#5817) Express 20/19 (ROI19_express) C++17
67 / 100
 5000 ms 183512 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define eb emplace_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(all(x))
#define press(x) x.erase(unique(all(x)), x.end());
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
typedef pair<LL, LL> pll;
const int INF=1e9;
const LL LLINF=1e16;

int n, m, q, indeg[500010];
int topo[500010], re, fr;
LL p;

vector<pil> link[500010], rlink[500010];
vector<LL> dp[500010];
char str[500010];

void cl(int num, int qu){
    re=fr=0;
    for(int i=1; i<=num; i++){
        vector<pil>().swap(link[i]);
        vector<pil>().swap(rlink[i]);
        vector<LL>().swap(dp[i]);
    }
    for(int i=1; i<=qu; i++)str[i]=0;
}

void merge_dp(int num){
    int sz=rlink[num].size();
    LL st=0;
    vector<int> pv(sz);
    vector<LL> tmp;
    while(1){
        LL minn=LLINF;
        int minnum=-1;
        for(int i=0; i<pv.size(); i++){
            int nw=rlink[num][i].F;
            LL c=rlink[num][i].S;
            if(pv[i]==dp[nw].size())continue;
            if(minn>dp[nw][pv[i]]+c){
                minn=dp[nw][pv[i]]+c;
                minnum=i;
            }
        }
        if(minnum==-1)break;
        if(st*p/(p-1)<minn){
            tmp.eb(minn);
            tmp.eb(minn);
            st=minn;
        }
        else tmp[tmp.size()-1]=minn;
        pv[minnum]++;
    }
    press(tmp);
    dp[num].resize(tmp.size());
    for(int i=0; i<tmp.size(); i++)dp[num][i]=tmp[i];
}

void solve(){
    scanf("%d %d %d %lld", &n, &m, &q, &p);
    for(int i=1; i<=m; i++){
        int a, b; LL c;
        scanf("%d %d %lld", &a, &b, &c);
        link[a].eb(b, c);
        rlink[b].eb(a, c);
        indeg[b]++;
    }
    for(int i=1; i<=n; i++){
        if(!indeg[i])topo[++re]=i;
    }
    for(fr=1; fr<=re; fr++){
        for(auto i:link[topo[fr]]){
            indeg[i.F]--;
            if(!indeg[i.F])topo[++re]=i.F;
        }
    }
    dp[1].eb(0);
    for(int i=2; i<=n; i++)merge_dp(topo[i]);
    for(int i=1; i<=q; i++){
        int a; LL s, e;
        scanf("%d %lld", &a, &s);
        e=s*p/(p-1);
        int num=upper_bound(all(dp[a]), e)-lower_bound(all(dp[a]), s);
        if(num)str[i]='1';
        else str[i]='0';
    }
    printf("%s\n", str+1);
    cl(n, q);
}

int main(){
    int t;
    scanf("%d", &t);
    while(t--)solve();
}

Compilation message

express.cpp: In function 'void merge_dp(int)':
express.cpp:44:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int i=0; i<pv.size(); i++){
      |                      ~^~~~~~~~~~
express.cpp:47:21: warning: comparison of integer expressions of different signedness: '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |             if(pv[i]==dp[nw].size())continue;
express.cpp:64:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     for(int i=0; i<tmp.size(); i++)dp[num][i]=tmp[i];
      |                  ~^~~~~~~~~~~
express.cpp: In function 'void solve()':
express.cpp:68:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   68 |     scanf("%d %d %d %lld", &n, &m, &q, &p);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:71:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   71 |         scanf("%d %d %lld", &a, &b, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:89:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   89 |         scanf("%d %lld", &a, &s);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
express.cpp: In function 'int main()':
express.cpp:101:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  101 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 35584 KB Output is correct
2 Correct 24 ms 35576 KB Output is correct
3 Correct 25 ms 35584 KB Output is correct
4 Correct 24 ms 35584 KB Output is correct
5 Correct 31 ms 35584 KB Output is correct
6 Correct 24 ms 35584 KB Output is correct
7 Correct 25 ms 35584 KB Output is correct
8 Correct 24 ms 35584 KB Output is correct
9 Correct 25 ms 35576 KB Output is correct
10 Correct 24 ms 35584 KB Output is correct
11 Correct 24 ms 35584 KB Output is correct
12 Correct 35 ms 35624 KB Output is correct
13 Correct 39 ms 35584 KB Output is correct
14 Correct 35 ms 35624 KB Output is correct
15 Correct 33 ms 35584 KB Output is correct
16 Correct 33 ms 35584 KB Output is correct
17 Correct 33 ms 35576 KB Output is correct
18 Correct 36 ms 35584 KB Output is correct
19 Correct 36 ms 35584 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 37 ms 35584 KB Output is correct
22 Correct 33 ms 35628 KB Output is correct
23 Correct 33 ms 35584 KB Output is correct
24 Correct 31 ms 35584 KB Output is correct
25 Correct 34 ms 35704 KB Output is correct
26 Correct 33 ms 35584 KB Output is correct
27 Correct 33 ms 35584 KB Output is correct
28 Correct 31 ms 35576 KB Output is correct
29 Correct 33 ms 35584 KB Output is correct
30 Correct 31 ms 35584 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 35584 KB Output is correct
2 Correct 23 ms 35584 KB Output is correct
3 Correct 24 ms 35584 KB Output is correct
4 Correct 23 ms 35584 KB Output is correct
5 Correct 23 ms 35584 KB Output is correct
6 Correct 22 ms 35584 KB Output is correct
7 Correct 24 ms 35584 KB Output is correct
8 Correct 22 ms 35584 KB Output is correct
9 Correct 23 ms 35584 KB Output is correct
10 Correct 29 ms 35712 KB Output is correct
11 Correct 46 ms 36088 KB Output is correct
12 Correct 31 ms 35968 KB Output is correct
13 Correct 35 ms 36000 KB Output is correct
14 Correct 34 ms 35584 KB Output is correct
15 Correct 35 ms 35584 KB Output is correct
16 Correct 30 ms 35584 KB Output is correct
17 Correct 32 ms 35660 KB Output is correct
18 Correct 32 ms 35584 KB Output is correct
19 Correct 30 ms 35584 KB Output is correct
20 Correct 29 ms 35584 KB Output is correct
21 Correct 30 ms 35584 KB Output is correct
22 Correct 30 ms 36096 KB Output is correct
23 Correct 30 ms 35960 KB Output is correct
24 Correct 31 ms 35584 KB Output is correct
25 Correct 29 ms 35584 KB Output is correct
26 Correct 32 ms 35584 KB Output is correct
27 Correct 31 ms 35584 KB Output is correct
28 Correct 28 ms 35584 KB Output is correct
29 Correct 27 ms 35584 KB Output is correct
30 Correct 28 ms 35576 KB Output is correct
31 Correct 27 ms 35616 KB Output is correct
32 Correct 973 ms 38564 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 35528 KB Output is correct
2 Correct 732 ms 71480 KB Output is correct
3 Correct 596 ms 43128 KB Output is correct
4 Correct 536 ms 39504 KB Output is correct
5 Correct 440 ms 36500 KB Output is correct
6 Correct 656 ms 47792 KB Output is correct
7 Correct 600 ms 42104 KB Output is correct
8 Correct 654 ms 47992 KB Output is correct
9 Correct 563 ms 41848 KB Output is correct
10 Correct 613 ms 47624 KB Output is correct
11 Correct 535 ms 41592 KB Output is correct
12 Correct 145 ms 35712 KB Output is correct
13 Correct 32 ms 35584 KB Output is correct
14 Correct 35 ms 35584 KB Output is correct
15 Correct 35 ms 35704 KB Output is correct
16 Correct 36 ms 35576 KB Output is correct
17 Correct 54 ms 35704 KB Output is correct
18 Correct 176 ms 36364 KB Output is correct
19 Correct 46 ms 35576 KB Output is correct
20 Correct 71 ms 35584 KB Output is correct
21 Correct 70 ms 35584 KB Output is correct
22 Correct 71 ms 35576 KB Output is correct
23 Correct 401 ms 91196 KB Output is correct
24 Correct 1028 ms 183512 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 27 ms 35528 KB Output is correct
2 Correct 732 ms 71480 KB Output is correct
3 Correct 596 ms 43128 KB Output is correct
4 Correct 536 ms 39504 KB Output is correct
5 Correct 440 ms 36500 KB Output is correct
6 Correct 656 ms 47792 KB Output is correct
7 Correct 600 ms 42104 KB Output is correct
8 Correct 654 ms 47992 KB Output is correct
9 Correct 563 ms 41848 KB Output is correct
10 Correct 613 ms 47624 KB Output is correct
11 Correct 535 ms 41592 KB Output is correct
12 Correct 145 ms 35712 KB Output is correct
13 Correct 32 ms 35584 KB Output is correct
14 Correct 35 ms 35584 KB Output is correct
15 Correct 35 ms 35704 KB Output is correct
16 Correct 36 ms 35576 KB Output is correct
17 Correct 54 ms 35704 KB Output is correct
18 Correct 176 ms 36364 KB Output is correct
19 Correct 46 ms 35576 KB Output is correct
20 Correct 71 ms 35584 KB Output is correct
21 Correct 70 ms 35584 KB Output is correct
22 Correct 71 ms 35576 KB Output is correct
23 Correct 401 ms 91196 KB Output is correct
24 Correct 1028 ms 183512 KB Output is correct
25 Incorrect 954 ms 74848 KB Output isn't correct
26 Halted 0 ms 0 KB -

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 35584 KB Output is correct
2 Correct 24 ms 35584 KB Output is correct
3 Correct 27 ms 35576 KB Output is correct
4 Correct 30 ms 35712 KB Output is correct
5 Correct 26 ms 35712 KB Output is correct
6 Correct 26 ms 35584 KB Output is correct
7 Correct 26 ms 35584 KB Output is correct
8 Correct 29 ms 36600 KB Output is correct
9 Correct 27 ms 35584 KB Output is correct
10 Correct 27 ms 35576 KB Output is correct
11 Correct 28 ms 35584 KB Output is correct
12 Correct 27 ms 35576 KB Output is correct
13 Correct 28 ms 35584 KB Output is correct
14 Correct 28 ms 35584 KB Output is correct
15 Correct 28 ms 35584 KB Output is correct
16 Correct 28 ms 35712 KB Output is correct
17 Correct 30 ms 35712 KB Output is correct
18 Correct 30 ms 36216 KB Output is correct
19 Correct 26 ms 35712 KB Output is correct
20 Correct 31 ms 36224 KB Output is correct
21 Correct 31 ms 36348 KB Output is correct
22 Correct 28 ms 35960 KB Output is correct
23 Correct 31 ms 36224 KB Output is correct
24 Correct 29 ms 35960 KB Output is correct
25 Correct 32 ms 36480 KB Output is correct
26 Correct 24 ms 35584 KB Output is correct
27 Correct 25 ms 35584 KB Output is correct
28 Correct 25 ms 35584 KB Output is correct
29 Correct 25 ms 35584 KB Output is correct
30 Correct 26 ms 35636 KB Output is correct
31 Correct 25 ms 35576 KB Output is correct
32 Correct 25 ms 35584 KB Output is correct
33 Correct 26 ms 35576 KB Output is correct
34 Correct 28 ms 35616 KB Output is correct
35 Correct 27 ms 35584 KB Output is correct
36 Correct 28 ms 35584 KB Output is correct
37 Correct 27 ms 35584 KB Output is correct
38 Correct 27 ms 35584 KB Output is correct
39 Correct 28 ms 35584 KB Output is correct
40 Correct 27 ms 35584 KB Output is correct
41 Correct 28 ms 35584 KB Output is correct
42 Correct 28 ms 35584 KB Output is correct
43 Correct 39 ms 38264 KB Output is correct
44 Correct 40 ms 38400 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 35584 KB Output is correct
2 Correct 24 ms 35584 KB Output is correct
3 Correct 27 ms 35576 KB Output is correct
4 Correct 30 ms 35712 KB Output is correct
5 Correct 26 ms 35712 KB Output is correct
6 Correct 26 ms 35584 KB Output is correct
7 Correct 26 ms 35584 KB Output is correct
8 Correct 29 ms 36600 KB Output is correct
9 Correct 27 ms 35584 KB Output is correct
10 Correct 27 ms 35576 KB Output is correct
11 Correct 28 ms 35584 KB Output is correct
12 Correct 27 ms 35576 KB Output is correct
13 Correct 28 ms 35584 KB Output is correct
14 Correct 28 ms 35584 KB Output is correct
15 Correct 28 ms 35584 KB Output is correct
16 Correct 28 ms 35712 KB Output is correct
17 Correct 30 ms 35712 KB Output is correct
18 Correct 30 ms 36216 KB Output is correct
19 Correct 26 ms 35712 KB Output is correct
20 Correct 31 ms 36224 KB Output is correct
21 Correct 31 ms 36348 KB Output is correct
22 Correct 28 ms 35960 KB Output is correct
23 Correct 31 ms 36224 KB Output is correct
24 Correct 29 ms 35960 KB Output is correct
25 Correct 32 ms 36480 KB Output is correct
26 Correct 24 ms 35584 KB Output is correct
27 Correct 25 ms 35584 KB Output is correct
28 Correct 25 ms 35584 KB Output is correct
29 Correct 25 ms 35584 KB Output is correct
30 Correct 26 ms 35636 KB Output is correct
31 Correct 25 ms 35576 KB Output is correct
32 Correct 25 ms 35584 KB Output is correct
33 Correct 26 ms 35576 KB Output is correct
34 Correct 28 ms 35616 KB Output is correct
35 Correct 27 ms 35584 KB Output is correct
36 Correct 28 ms 35584 KB Output is correct
37 Correct 27 ms 35584 KB Output is correct
38 Correct 27 ms 35584 KB Output is correct
39 Correct 28 ms 35584 KB Output is correct
40 Correct 27 ms 35584 KB Output is correct
41 Correct 28 ms 35584 KB Output is correct
42 Correct 28 ms 35584 KB Output is correct
43 Correct 39 ms 38264 KB Output is correct
44 Correct 40 ms 38400 KB Output is correct
45 Correct 1016 ms 45004 KB Output is correct
46 Correct 2764 ms 89480 KB Output is correct
47 Correct 1299 ms 79864 KB Output is correct
48 Correct 742 ms 36728 KB Output is correct
49 Correct 1048 ms 36636 KB Output is correct
50 Correct 721 ms 36216 KB Output is correct
51 Correct 26 ms 35576 KB Output is correct
52 Correct 27 ms 35584 KB Output is correct
53 Correct 62 ms 35580 KB Output is correct
54 Correct 41 ms 35584 KB Output is correct
55 Correct 599 ms 36356 KB Output is correct
56 Correct 1454 ms 36916 KB Output is correct
57 Correct 877 ms 36356 KB Output is correct
58 Correct 735 ms 36908 KB Output is correct
59 Correct 1373 ms 36484 KB Output is correct
60 Correct 617 ms 37624 KB Output is correct
61 Correct 1393 ms 54932 KB Output is correct
62 Execution timed out 5077 ms 57720 KB Time limit exceeded
63 Halted 0 ms 0 KB -

Subtask #7
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 25 ms 35584 KB Output is correct
2 Correct 24 ms 35576 KB Output is correct
3 Correct 25 ms 35584 KB Output is correct
4 Correct 24 ms 35584 KB Output is correct
5 Correct 31 ms 35584 KB Output is correct
6 Correct 24 ms 35584 KB Output is correct
7 Correct 25 ms 35584 KB Output is correct
8 Correct 24 ms 35584 KB Output is correct
9 Correct 25 ms 35576 KB Output is correct
10 Correct 24 ms 35584 KB Output is correct
11 Correct 24 ms 35584 KB Output is correct
12 Correct 35 ms 35624 KB Output is correct
13 Correct 39 ms 35584 KB Output is correct
14 Correct 35 ms 35624 KB Output is correct
15 Correct 33 ms 35584 KB Output is correct
16 Correct 33 ms 35584 KB Output is correct
17 Correct 33 ms 35576 KB Output is correct
18 Correct 36 ms 35584 KB Output is correct
19 Correct 36 ms 35584 KB Output is correct
20 Correct 35 ms 35584 KB Output is correct
21 Correct 37 ms 35584 KB Output is correct
22 Correct 33 ms 35628 KB Output is correct
23 Correct 33 ms 35584 KB Output is correct
24 Correct 31 ms 35584 KB Output is correct
25 Correct 34 ms 35704 KB Output is correct
26 Correct 33 ms 35584 KB Output is correct
27 Correct 33 ms 35584 KB Output is correct
28 Correct 31 ms 35576 KB Output is correct
29 Correct 33 ms 35584 KB Output is correct
30 Correct 31 ms 35584 KB Output is correct
31 Correct 24 ms 35584 KB Output is correct
32 Correct 23 ms 35584 KB Output is correct
33 Correct 24 ms 35584 KB Output is correct
34 Correct 23 ms 35584 KB Output is correct
35 Correct 23 ms 35584 KB Output is correct
36 Correct 22 ms 35584 KB Output is correct
37 Correct 24 ms 35584 KB Output is correct
38 Correct 22 ms 35584 KB Output is correct
39 Correct 23 ms 35584 KB Output is correct
40 Correct 29 ms 35712 KB Output is correct
41 Correct 46 ms 36088 KB Output is correct
42 Correct 31 ms 35968 KB Output is correct
43 Correct 35 ms 36000 KB Output is correct
44 Correct 34 ms 35584 KB Output is correct
45 Correct 35 ms 35584 KB Output is correct
46 Correct 30 ms 35584 KB Output is correct
47 Correct 32 ms 35660 KB Output is correct
48 Correct 32 ms 35584 KB Output is correct
49 Correct 30 ms 35584 KB Output is correct
50 Correct 29 ms 35584 KB Output is correct
51 Correct 30 ms 35584 KB Output is correct
52 Correct 30 ms 36096 KB Output is correct
53 Correct 30 ms 35960 KB Output is correct
54 Correct 31 ms 35584 KB Output is correct
55 Correct 29 ms 35584 KB Output is correct
56 Correct 32 ms 35584 KB Output is correct
57 Correct 31 ms 35584 KB Output is correct
58 Correct 28 ms 35584 KB Output is correct
59 Correct 27 ms 35584 KB Output is correct
60 Correct 28 ms 35576 KB Output is correct
61 Correct 27 ms 35616 KB Output is correct
62 Correct 973 ms 38564 KB Output is correct
63 Correct 27 ms 35528 KB Output is correct
64 Correct 732 ms 71480 KB Output is correct
65 Correct 596 ms 43128 KB Output is correct
66 Correct 536 ms 39504 KB Output is correct
67 Correct 440 ms 36500 KB Output is correct
68 Correct 656 ms 47792 KB Output is correct
69 Correct 600 ms 42104 KB Output is correct
70 Correct 654 ms 47992 KB Output is correct
71 Correct 563 ms 41848 KB Output is correct
72 Correct 613 ms 47624 KB Output is correct
73 Correct 535 ms 41592 KB Output is correct
74 Correct 145 ms 35712 KB Output is correct
75 Correct 32 ms 35584 KB Output is correct
76 Correct 35 ms 35584 KB Output is correct
77 Correct 35 ms 35704 KB Output is correct
78 Correct 36 ms 35576 KB Output is correct
79 Correct 54 ms 35704 KB Output is correct
80 Correct 176 ms 36364 KB Output is correct
81 Correct 46 ms 35576 KB Output is correct
82 Correct 71 ms 35584 KB Output is correct
83 Correct 70 ms 35584 KB Output is correct
84 Correct 71 ms 35576 KB Output is correct
85 Correct 401 ms 91196 KB Output is correct
86 Correct 1028 ms 183512 KB Output is correct
87 Incorrect 954 ms 74848 KB Output isn't correct
88 Halted 0 ms 0 KB -