oj.uz

Submission #292830

# Submission time Handle Problem Language Result Execution time Memory
292830 2020-09-07T13:54:51 Z 문홍윤(#5817) Express 20/19 (ROI19_express) C++17
67 / 100
 5000 ms 1048580 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=2e17;

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++){
        link[i].clear();
        rlink[i].clear();
        dp[i].clear();
    }
    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);
    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){
            dp[num].eb(minn);
            dp[num].eb(minn);
            st=minn;
        }
        else dp[num][dp[num].size()-1]=minn;
        pv[minnum]++;
    }
}

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:43:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |         for(int i=0; i<pv.size(); i++){
      |                      ~^~~~~~~~~~
express.cpp:46:21: 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]
   46 |             if(pv[i]==dp[nw].size())continue;
express.cpp: In function 'void solve()':
express.cpp:64:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   64 |     scanf("%d %d %d %lld", &n, &m, &q, &p);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:67:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   67 |         scanf("%d %d %lld", &a, &b, &c);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
express.cpp:85:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   85 |         scanf("%d %lld", &a, &s);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~
express.cpp: In function 'int main()':
express.cpp:97:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   97 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 35584 KB Output is correct
2 Correct 23 ms 35584 KB Output is correct
3 Correct 23 ms 35584 KB Output is correct
4 Correct 23 ms 35584 KB Output is correct
5 Correct 29 ms 35584 KB Output is correct
6 Correct 23 ms 35584 KB Output is correct
7 Correct 23 ms 35584 KB Output is correct
8 Correct 26 ms 35584 KB Output is correct
9 Correct 23 ms 35584 KB Output is correct
10 Correct 23 ms 35584 KB Output is correct
11 Correct 23 ms 35576 KB Output is correct
12 Correct 33 ms 35584 KB Output is correct
13 Correct 32 ms 35584 KB Output is correct
14 Correct 32 ms 35584 KB Output is correct
15 Correct 31 ms 35584 KB Output is correct
16 Correct 31 ms 35576 KB Output is correct
17 Correct 31 ms 35584 KB Output is correct
18 Correct 31 ms 35560 KB Output is correct
19 Correct 32 ms 35576 KB Output is correct
20 Correct 32 ms 35704 KB Output is correct
21 Correct 30 ms 35584 KB Output is correct
22 Correct 31 ms 35584 KB Output is correct
23 Correct 29 ms 35584 KB Output is correct
24 Correct 28 ms 35584 KB Output is correct
25 Correct 29 ms 35584 KB Output is correct
26 Correct 29 ms 35584 KB Output is correct
27 Correct 28 ms 35584 KB Output is correct
28 Correct 28 ms 35584 KB Output is correct
29 Correct 28 ms 35584 KB Output is correct
30 Correct 28 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 22 ms 35584 KB Output is correct
3 Correct 23 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 23 ms 35584 KB Output is correct
7 Correct 23 ms 35576 KB Output is correct
8 Correct 22 ms 35584 KB Output is correct
9 Correct 26 ms 35584 KB Output is correct
10 Correct 35 ms 38756 KB Output is correct
11 Correct 954 ms 102092 KB Output is correct
12 Correct 29 ms 36096 KB Output is correct
13 Correct 32 ms 36224 KB Output is correct
14 Correct 27 ms 35576 KB Output is correct
15 Correct 26 ms 35584 KB Output is correct
16 Correct 26 ms 35584 KB Output is correct
17 Correct 27 ms 35656 KB Output is correct
18 Correct 26 ms 35584 KB Output is correct
19 Correct 27 ms 35584 KB Output is correct
20 Correct 27 ms 35576 KB Output is correct
21 Correct 27 ms 35584 KB Output is correct
22 Correct 28 ms 35960 KB Output is correct
23 Correct 33 ms 36096 KB Output is correct
24 Correct 27 ms 35712 KB Output is correct
25 Correct 27 ms 35712 KB Output is correct
26 Correct 29 ms 35712 KB Output is correct
27 Correct 27 ms 35960 KB Output is correct
28 Correct 25 ms 35584 KB Output is correct
29 Correct 25 ms 35584 KB Output is correct
30 Correct 25 ms 35712 KB Output is correct
31 Correct 25 ms 35712 KB Output is correct
32 Correct 2351 ms 52100 KB Output is correct

Subtask #3
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 35584 KB Output is correct
2 Correct 721 ms 73004 KB Output is correct
3 Correct 452 ms 43512 KB Output is correct
4 Correct 370 ms 39544 KB Output is correct
5 Correct 305 ms 36472 KB Output is correct
6 Correct 494 ms 47992 KB Output is correct
7 Correct 411 ms 41976 KB Output is correct
8 Correct 509 ms 48420 KB Output is correct
9 Correct 405 ms 42104 KB Output is correct
10 Correct 455 ms 48248 KB Output is correct
11 Correct 367 ms 42104 KB Output is correct
12 Correct 106 ms 35704 KB Output is correct
13 Correct 28 ms 35584 KB Output is correct
14 Correct 30 ms 35584 KB Output is correct
15 Correct 31 ms 35584 KB Output is correct
16 Correct 33 ms 35584 KB Output is correct
17 Correct 43 ms 35616 KB Output is correct
18 Correct 131 ms 36392 KB Output is correct
19 Correct 39 ms 35704 KB Output is correct
20 Correct 53 ms 35648 KB Output is correct
21 Correct 54 ms 35772 KB Output is correct
22 Correct 55 ms 35584 KB Output is correct
23 Correct 347 ms 97400 KB Output is correct
24 Correct 909 ms 239612 KB Output is correct

Subtask #4
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 35584 KB Output is correct
2 Correct 721 ms 73004 KB Output is correct
3 Correct 452 ms 43512 KB Output is correct
4 Correct 370 ms 39544 KB Output is correct
5 Correct 305 ms 36472 KB Output is correct
6 Correct 494 ms 47992 KB Output is correct
7 Correct 411 ms 41976 KB Output is correct
8 Correct 509 ms 48420 KB Output is correct
9 Correct 405 ms 42104 KB Output is correct
10 Correct 455 ms 48248 KB Output is correct
11 Correct 367 ms 42104 KB Output is correct
12 Correct 106 ms 35704 KB Output is correct
13 Correct 28 ms 35584 KB Output is correct
14 Correct 30 ms 35584 KB Output is correct
15 Correct 31 ms 35584 KB Output is correct
16 Correct 33 ms 35584 KB Output is correct
17 Correct 43 ms 35616 KB Output is correct
18 Correct 131 ms 36392 KB Output is correct
19 Correct 39 ms 35704 KB Output is correct
20 Correct 53 ms 35648 KB Output is correct
21 Correct 54 ms 35772 KB Output is correct
22 Correct 55 ms 35584 KB Output is correct
23 Correct 347 ms 97400 KB Output is correct
24 Correct 909 ms 239612 KB Output is correct
25 Correct 954 ms 75952 KB Output is correct
26 Correct 842 ms 54972 KB Output is correct
27 Correct 774 ms 45692 KB Output is correct
28 Correct 682 ms 38264 KB Output is correct
29 Correct 542 ms 36280 KB Output is correct
30 Correct 573 ms 37116 KB Output is correct
31 Correct 656 ms 66496 KB Output is correct
32 Correct 548 ms 51064 KB Output is correct
33 Correct 546 ms 51180 KB Output is correct
34 Correct 446 ms 43380 KB Output is correct
35 Correct 579 ms 66664 KB Output is correct
36 Correct 493 ms 51032 KB Output is correct
37 Correct 147 ms 35968 KB Output is correct
38 Correct 30 ms 35584 KB Output is correct
39 Correct 32 ms 36396 KB Output is correct
40 Runtime error 3353 ms 1048580 KB Execution killed with signal 9
41 Halted 0 ms 0 KB -

Subtask #5
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 35584 KB Output is correct
2 Correct 24 ms 35584 KB Output is correct
3 Correct 26 ms 35584 KB Output is correct
4 Correct 29 ms 35712 KB Output is correct
5 Correct 27 ms 35704 KB Output is correct
6 Correct 27 ms 35584 KB Output is correct
7 Correct 26 ms 35584 KB Output is correct
8 Correct 41 ms 42096 KB Output is correct
9 Correct 90 ms 41968 KB Output is correct
10 Correct 28 ms 35584 KB Output is correct
11 Correct 28 ms 35712 KB Output is correct
12 Correct 27 ms 35584 KB Output is correct
13 Correct 27 ms 35584 KB Output is correct
14 Correct 28 ms 35712 KB Output is correct
15 Correct 28 ms 35712 KB Output is correct
16 Correct 27 ms 35712 KB Output is correct
17 Correct 34 ms 36020 KB Output is correct
18 Correct 30 ms 36480 KB Output is correct
19 Correct 26 ms 35712 KB Output is correct
20 Correct 29 ms 36304 KB Output is correct
21 Correct 33 ms 36600 KB Output is correct
22 Correct 28 ms 36096 KB Output is correct
23 Correct 33 ms 36472 KB Output is correct
24 Correct 30 ms 36240 KB Output is correct
25 Correct 31 ms 36608 KB Output is correct
26 Correct 25 ms 35548 KB Output is correct
27 Correct 25 ms 35576 KB Output is correct
28 Correct 25 ms 35584 KB Output is correct
29 Correct 25 ms 35576 KB Output is correct
30 Correct 28 ms 35584 KB Output is correct
31 Correct 26 ms 35584 KB Output is correct
32 Correct 25 ms 35712 KB Output is correct
33 Correct 27 ms 36000 KB Output is correct
34 Correct 38 ms 37504 KB Output is correct
35 Correct 39 ms 38260 KB Output is correct
36 Correct 41 ms 38184 KB Output is correct
37 Correct 39 ms 38016 KB Output is correct
38 Correct 60 ms 45492 KB Output is correct
39 Correct 27 ms 35584 KB Output is correct
40 Correct 30 ms 35584 KB Output is correct
41 Correct 26 ms 35584 KB Output is correct
42 Correct 26 ms 35584 KB Output is correct
43 Correct 56 ms 43888 KB Output is correct
44 Correct 55 ms 43888 KB Output is correct

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 24 ms 35584 KB Output is correct
2 Correct 24 ms 35584 KB Output is correct
3 Correct 26 ms 35584 KB Output is correct
4 Correct 29 ms 35712 KB Output is correct
5 Correct 27 ms 35704 KB Output is correct
6 Correct 27 ms 35584 KB Output is correct
7 Correct 26 ms 35584 KB Output is correct
8 Correct 41 ms 42096 KB Output is correct
9 Correct 90 ms 41968 KB Output is correct
10 Correct 28 ms 35584 KB Output is correct
11 Correct 28 ms 35712 KB Output is correct
12 Correct 27 ms 35584 KB Output is correct
13 Correct 27 ms 35584 KB Output is correct
14 Correct 28 ms 35712 KB Output is correct
15 Correct 28 ms 35712 KB Output is correct
16 Correct 27 ms 35712 KB Output is correct
17 Correct 34 ms 36020 KB Output is correct
18 Correct 30 ms 36480 KB Output is correct
19 Correct 26 ms 35712 KB Output is correct
20 Correct 29 ms 36304 KB Output is correct
21 Correct 33 ms 36600 KB Output is correct
22 Correct 28 ms 36096 KB Output is correct
23 Correct 33 ms 36472 KB Output is correct
24 Correct 30 ms 36240 KB Output is correct
25 Correct 31 ms 36608 KB Output is correct
26 Correct 25 ms 35548 KB Output is correct
27 Correct 25 ms 35576 KB Output is correct
28 Correct 25 ms 35584 KB Output is correct
29 Correct 25 ms 35576 KB Output is correct
30 Correct 28 ms 35584 KB Output is correct
31 Correct 26 ms 35584 KB Output is correct
32 Correct 25 ms 35712 KB Output is correct
33 Correct 27 ms 36000 KB Output is correct
34 Correct 38 ms 37504 KB Output is correct
35 Correct 39 ms 38260 KB Output is correct
36 Correct 41 ms 38184 KB Output is correct
37 Correct 39 ms 38016 KB Output is correct
38 Correct 60 ms 45492 KB Output is correct
39 Correct 27 ms 35584 KB Output is correct
40 Correct 30 ms 35584 KB Output is correct
41 Correct 26 ms 35584 KB Output is correct
42 Correct 26 ms 35584 KB Output is correct
43 Correct 56 ms 43888 KB Output is correct
44 Correct 55 ms 43888 KB Output is correct
45 Correct 885 ms 54648 KB Output is correct
46 Correct 2744 ms 100344 KB Output is correct
47 Correct 1223 ms 83448 KB Output is correct
48 Correct 609 ms 37628 KB Output is correct
49 Correct 979 ms 38648 KB Output is correct
50 Correct 661 ms 36600 KB Output is correct
51 Correct 25 ms 35584 KB Output is correct
52 Correct 25 ms 35584 KB Output is correct
53 Correct 50 ms 35584 KB Output is correct
54 Correct 37 ms 35584 KB Output is correct
55 Correct 518 ms 38708 KB Output is correct
56 Correct 1114 ms 37112 KB Output is correct
57 Correct 608 ms 36728 KB Output is correct
58 Correct 651 ms 40184 KB Output is correct
59 Correct 1020 ms 37200 KB Output is correct
60 Correct 514 ms 39196 KB Output is correct
61 Correct 1115 ms 72200 KB Output is correct
62 Execution timed out 5089 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 23 ms 35584 KB Output is correct
2 Correct 23 ms 35584 KB Output is correct
3 Correct 23 ms 35584 KB Output is correct
4 Correct 23 ms 35584 KB Output is correct
5 Correct 29 ms 35584 KB Output is correct
6 Correct 23 ms 35584 KB Output is correct
7 Correct 23 ms 35584 KB Output is correct
8 Correct 26 ms 35584 KB Output is correct
9 Correct 23 ms 35584 KB Output is correct
10 Correct 23 ms 35584 KB Output is correct
11 Correct 23 ms 35576 KB Output is correct
12 Correct 33 ms 35584 KB Output is correct
13 Correct 32 ms 35584 KB Output is correct
14 Correct 32 ms 35584 KB Output is correct
15 Correct 31 ms 35584 KB Output is correct
16 Correct 31 ms 35576 KB Output is correct
17 Correct 31 ms 35584 KB Output is correct
18 Correct 31 ms 35560 KB Output is correct
19 Correct 32 ms 35576 KB Output is correct
20 Correct 32 ms 35704 KB Output is correct
21 Correct 30 ms 35584 KB Output is correct
22 Correct 31 ms 35584 KB Output is correct
23 Correct 29 ms 35584 KB Output is correct
24 Correct 28 ms 35584 KB Output is correct
25 Correct 29 ms 35584 KB Output is correct
26 Correct 29 ms 35584 KB Output is correct
27 Correct 28 ms 35584 KB Output is correct
28 Correct 28 ms 35584 KB Output is correct
29 Correct 28 ms 35584 KB Output is correct
30 Correct 28 ms 35584 KB Output is correct
31 Correct 24 ms 35584 KB Output is correct
32 Correct 22 ms 35584 KB Output is correct
33 Correct 23 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 23 ms 35584 KB Output is correct
37 Correct 23 ms 35576 KB Output is correct
38 Correct 22 ms 35584 KB Output is correct
39 Correct 26 ms 35584 KB Output is correct
40 Correct 35 ms 38756 KB Output is correct
41 Correct 954 ms 102092 KB Output is correct
42 Correct 29 ms 36096 KB Output is correct
43 Correct 32 ms 36224 KB Output is correct
44 Correct 27 ms 35576 KB Output is correct
45 Correct 26 ms 35584 KB Output is correct
46 Correct 26 ms 35584 KB Output is correct
47 Correct 27 ms 35656 KB Output is correct
48 Correct 26 ms 35584 KB Output is correct
49 Correct 27 ms 35584 KB Output is correct
50 Correct 27 ms 35576 KB Output is correct
51 Correct 27 ms 35584 KB Output is correct
52 Correct 28 ms 35960 KB Output is correct
53 Correct 33 ms 36096 KB Output is correct
54 Correct 27 ms 35712 KB Output is correct
55 Correct 27 ms 35712 KB Output is correct
56 Correct 29 ms 35712 KB Output is correct
57 Correct 27 ms 35960 KB Output is correct
58 Correct 25 ms 35584 KB Output is correct
59 Correct 25 ms 35584 KB Output is correct
60 Correct 25 ms 35712 KB Output is correct
61 Correct 25 ms 35712 KB Output is correct
62 Correct 2351 ms 52100 KB Output is correct
63 Correct 22 ms 35584 KB Output is correct
64 Correct 721 ms 73004 KB Output is correct
65 Correct 452 ms 43512 KB Output is correct
66 Correct 370 ms 39544 KB Output is correct
67 Correct 305 ms 36472 KB Output is correct
68 Correct 494 ms 47992 KB Output is correct
69 Correct 411 ms 41976 KB Output is correct
70 Correct 509 ms 48420 KB Output is correct
71 Correct 405 ms 42104 KB Output is correct
72 Correct 455 ms 48248 KB Output is correct
73 Correct 367 ms 42104 KB Output is correct
74 Correct 106 ms 35704 KB Output is correct
75 Correct 28 ms 35584 KB Output is correct
76 Correct 30 ms 35584 KB Output is correct
77 Correct 31 ms 35584 KB Output is correct
78 Correct 33 ms 35584 KB Output is correct
79 Correct 43 ms 35616 KB Output is correct
80 Correct 131 ms 36392 KB Output is correct
81 Correct 39 ms 35704 KB Output is correct
82 Correct 53 ms 35648 KB Output is correct
83 Correct 54 ms 35772 KB Output is correct
84 Correct 55 ms 35584 KB Output is correct
85 Correct 347 ms 97400 KB Output is correct
86 Correct 909 ms 239612 KB Output is correct
87 Correct 954 ms 75952 KB Output is correct
88 Correct 842 ms 54972 KB Output is correct
89 Correct 774 ms 45692 KB Output is correct
90 Correct 682 ms 38264 KB Output is correct
91 Correct 542 ms 36280 KB Output is correct
92 Correct 573 ms 37116 KB Output is correct
93 Correct 656 ms 66496 KB Output is correct
94 Correct 548 ms 51064 KB Output is correct
95 Correct 546 ms 51180 KB Output is correct
96 Correct 446 ms 43380 KB Output is correct
97 Correct 579 ms 66664 KB Output is correct
98 Correct 493 ms 51032 KB Output is correct
99 Correct 147 ms 35968 KB Output is correct
100 Correct 30 ms 35584 KB Output is correct
101 Correct 32 ms 36396 KB Output is correct
102 Runtime error 3353 ms 1048580 KB Execution killed with signal 9
103 Halted 0 ms 0 KB -