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Submission #411680

# Submission time Handle Problem Language Result Execution time Memory
411680 2021-05-25T17:55:28 Z Dormi Travelling Merchant (CCO21_day2problem1) C++14
25 / 25
 1897 ms 29112 KB 
#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
template <typename T>
int sz(const T &a){return int(a.size());}
const int MN=2e5+1;
vector<pair<int,pll>> adj[MN];
bool gone[MN];
ll tried[MN];
ll work[MN];
bool dfs(int loc, ll am){
    if(am<=tried[loc])return false;
    if(am>=work[loc])return true;
    gone[loc]=true;
    for(auto x:adj[loc]){
        if(x.second.first<=am){
            if(gone[x.first]){
                gone[loc]=false;
                work[loc]=am;
                return true;
            }
            if(dfs(x.first,am+x.second.second)){
                gone[loc]=false;
                work[loc]=am;
                return true;
            }
        }
    }
    tried[loc]=am;
    gone[loc]=false;
    return false;
}
int main(int argc, char *argv[]) {
    cin.tie(NULL);
    ios_base::sync_with_stdio(false);
    int n,m,a,b;
    cin>>n>>m;
    ll r,p;
    for(int i=0;i<m;i++){
        cin>>a>>b>>r>>p;
        adj[a].push_back({b,{r,p}});
    }
    for(int i=1;i<=n;i++)tried[i]=-1,work[i]=LLONG_MAX;
    for(int i=1;i<=n;i++){
        ll lo=0,hi=1e9;
        while(lo!=hi){
            ll mid=(lo+hi)/2;
            if(dfs(i,mid))hi=mid;
            else lo=mid+1;
        }
        if(lo==1e9)printf("-1%c"," \n"[i==n]);
        else printf("%lli%c",lo," \n"[i==n]);
    }
    return 0;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5136 KB Output is correct
2 Correct 7 ms 5144 KB Output is correct
3 Correct 5 ms 5068 KB Output is correct
4 Correct 5 ms 5068 KB Output is correct
5 Correct 5 ms 5068 KB Output is correct
6 Correct 5 ms 5068 KB Output is correct
7 Correct 5 ms 5068 KB Output is correct
8 Correct 6 ms 5196 KB Output is correct
9 Correct 6 ms 5136 KB Output is correct
10 Correct 5 ms 5068 KB Output is correct
11 Correct 5 ms 5068 KB Output is correct
12 Correct 5 ms 5120 KB Output is correct
13 Correct 4 ms 5068 KB Output is correct
14 Correct 7 ms 5196 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 256 ms 15468 KB Output is correct
2 Correct 263 ms 15280 KB Output is correct
3 Correct 81 ms 12232 KB Output is correct
4 Correct 74 ms 9284 KB Output is correct
5 Correct 250 ms 14240 KB Output is correct
6 Correct 214 ms 14128 KB Output is correct
7 Correct 82 ms 11556 KB Output is correct
8 Correct 1394 ms 29020 KB Output is correct
9 Correct 360 ms 16424 KB Output is correct
10 Correct 76 ms 10236 KB Output is correct
11 Correct 224 ms 13936 KB Output is correct
12 Correct 67 ms 10620 KB Output is correct
13 Correct 64 ms 10032 KB Output is correct
14 Correct 1411 ms 29048 KB Output is correct
15 Correct 1402 ms 29000 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 5136 KB Output is correct
2 Correct 7 ms 5144 KB Output is correct
3 Correct 5 ms 5068 KB Output is correct
4 Correct 5 ms 5068 KB Output is correct
5 Correct 5 ms 5068 KB Output is correct
6 Correct 5 ms 5068 KB Output is correct
7 Correct 5 ms 5068 KB Output is correct
8 Correct 6 ms 5196 KB Output is correct
9 Correct 6 ms 5136 KB Output is correct
10 Correct 5 ms 5068 KB Output is correct
11 Correct 5 ms 5068 KB Output is correct
12 Correct 5 ms 5120 KB Output is correct
13 Correct 4 ms 5068 KB Output is correct
14 Correct 7 ms 5196 KB Output is correct
15 Correct 256 ms 15468 KB Output is correct
16 Correct 263 ms 15280 KB Output is correct
17 Correct 81 ms 12232 KB Output is correct
18 Correct 74 ms 9284 KB Output is correct
19 Correct 250 ms 14240 KB Output is correct
20 Correct 214 ms 14128 KB Output is correct
21 Correct 82 ms 11556 KB Output is correct
22 Correct 1394 ms 29020 KB Output is correct
23 Correct 360 ms 16424 KB Output is correct
24 Correct 76 ms 10236 KB Output is correct
25 Correct 224 ms 13936 KB Output is correct
26 Correct 67 ms 10620 KB Output is correct
27 Correct 64 ms 10032 KB Output is correct
28 Correct 1411 ms 29048 KB Output is correct
29 Correct 1402 ms 29000 KB Output is correct
30 Correct 273 ms 15308 KB Output is correct
31 Correct 278 ms 15352 KB Output is correct
32 Correct 73 ms 12052 KB Output is correct
33 Correct 60 ms 9204 KB Output is correct
34 Correct 189 ms 14108 KB Output is correct
35 Correct 205 ms 14172 KB Output is correct
36 Correct 89 ms 11644 KB Output is correct
37 Correct 1412 ms 29068 KB Output is correct
38 Correct 471 ms 15972 KB Output is correct
39 Correct 77 ms 10000 KB Output is correct
40 Correct 230 ms 13952 KB Output is correct
41 Correct 67 ms 10680 KB Output is correct
42 Correct 64 ms 9740 KB Output is correct
43 Correct 1397 ms 29076 KB Output is correct
44 Correct 1321 ms 29112 KB Output is correct
45 Correct 1308 ms 29016 KB Output is correct
46 Correct 1897 ms 18484 KB Output is correct
47 Correct 516 ms 15040 KB Output is correct
48 Correct 181 ms 13160 KB Output is correct
49 Correct 545 ms 17920 KB Output is correct
50 Correct 4 ms 4940 KB Output is correct