/**
* user: tudose-aad
* fname: Maria Alexa
* lname: Tudose
* task: restore
* score: 100.0
* date: 2019-10-10 06:37:16.189929
*/
#include <bits/stdc++.h>
#define impossible { cout << "-1\n"; exit(0); }
using namespace std;
const int Nmax = 10005;
typedef long long ll;
const int inf = 5005;
vector<pair<int,int>> v[Nmax];
int n, m;
int dist[Nmax];
bool inQ[Nmax];
int bagat[Nmax];
void add_edge(int x, int y, int c)
{
v[x].push_back({y, c});
}
void add_res(int i, int j, int k, int val)
{
if(val == 0)
add_edge(j, i-1, -k);
else add_edge(i-1, j, k-1);
}
static bool min_to(int &x, int y)
{
if(x <= y) return 0;
x = y;
if(x < 0) impossible;
return 1;
}
void bellman(int start)
{
queue<int> q;
int i;
for(i=0; i<=n; ++i) inQ[i] = 0, dist[i] = inf;
inQ[start] = 1;
q.push(start);
dist[start] = 0;
while(q.size())
{
int node = q.front();
q.pop();
inQ[node] = 0;
for(auto it : v[node])
if(min_to(dist[it.first], dist[node] + it.second))
{
++bagat[it.first];
if(bagat[it.first] > m) impossible;
if(!inQ[it.first])
{
inQ[it.first] = 1;
q.push(it.first);
}
}
}
}
int main()
{
// freopen("input", "r", stdin);
cin.sync_with_stdio(false); cin.tie(0);
cin >> n >> m;
int i;
for(i=1; i<=m; ++i)
{
int L, R, K, Val;
cin >> L >> R >> K >> Val;
++L; ++R;
add_res(L, R, K, Val);
}
for(i=1; i<=n; ++i)
{
add_edge(i-1, i, 1);
add_edge(i, i-1, 0);
}
bellman(0);
for(i=1; i<=n; ++i) cout << ((dist[i] - dist[i-1]) ^ 1) << ' ';
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
632 KB |
Output is correct |
2 |
Correct |
2 ms |
632 KB |
Output is correct |
3 |
Correct |
2 ms |
632 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
2 ms |
632 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
632 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
632 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
888 KB |
Output is correct |
2 |
Correct |
7 ms |
888 KB |
Output is correct |
3 |
Correct |
6 ms |
1016 KB |
Output is correct |
4 |
Correct |
8 ms |
1016 KB |
Output is correct |
5 |
Correct |
6 ms |
888 KB |
Output is correct |
6 |
Correct |
4 ms |
888 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
7 ms |
888 KB |
Output is correct |
2 |
Correct |
7 ms |
888 KB |
Output is correct |
3 |
Correct |
6 ms |
1016 KB |
Output is correct |
4 |
Correct |
8 ms |
1016 KB |
Output is correct |
5 |
Correct |
6 ms |
888 KB |
Output is correct |
6 |
Correct |
4 ms |
888 KB |
Output is correct |
7 |
Correct |
16 ms |
1016 KB |
Output is correct |
8 |
Correct |
16 ms |
1008 KB |
Output is correct |
9 |
Correct |
17 ms |
1016 KB |
Output is correct |
10 |
Correct |
27 ms |
992 KB |
Output is correct |
11 |
Correct |
14 ms |
1016 KB |
Output is correct |
12 |
Correct |
7 ms |
888 KB |
Output is correct |
13 |
Correct |
16 ms |
1016 KB |
Output is correct |
14 |
Correct |
36 ms |
1008 KB |
Output is correct |
15 |
Correct |
95 ms |
1008 KB |
Output is correct |
16 |
Correct |
123 ms |
1016 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
632 KB |
Output is correct |
2 |
Correct |
2 ms |
632 KB |
Output is correct |
3 |
Correct |
2 ms |
632 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
2 ms |
632 KB |
Output is correct |
6 |
Correct |
2 ms |
504 KB |
Output is correct |
7 |
Correct |
2 ms |
504 KB |
Output is correct |
8 |
Correct |
2 ms |
632 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
632 KB |
Output is correct |
11 |
Correct |
7 ms |
888 KB |
Output is correct |
12 |
Correct |
7 ms |
888 KB |
Output is correct |
13 |
Correct |
6 ms |
1016 KB |
Output is correct |
14 |
Correct |
8 ms |
1016 KB |
Output is correct |
15 |
Correct |
6 ms |
888 KB |
Output is correct |
16 |
Correct |
4 ms |
888 KB |
Output is correct |
17 |
Correct |
16 ms |
1016 KB |
Output is correct |
18 |
Correct |
16 ms |
1008 KB |
Output is correct |
19 |
Correct |
17 ms |
1016 KB |
Output is correct |
20 |
Correct |
27 ms |
992 KB |
Output is correct |
21 |
Correct |
14 ms |
1016 KB |
Output is correct |
22 |
Correct |
7 ms |
888 KB |
Output is correct |
23 |
Correct |
16 ms |
1016 KB |
Output is correct |
24 |
Correct |
36 ms |
1008 KB |
Output is correct |
25 |
Correct |
95 ms |
1008 KB |
Output is correct |
26 |
Correct |
123 ms |
1016 KB |
Output is correct |
27 |
Correct |
10 ms |
892 KB |
Output is correct |
28 |
Correct |
10 ms |
1016 KB |
Output is correct |
29 |
Correct |
10 ms |
1016 KB |
Output is correct |
30 |
Correct |
10 ms |
1016 KB |
Output is correct |
31 |
Correct |
10 ms |
888 KB |
Output is correct |
32 |
Correct |
10 ms |
888 KB |
Output is correct |
33 |
Correct |
7 ms |
888 KB |
Output is correct |
34 |
Correct |
7 ms |
888 KB |
Output is correct |
35 |
Correct |
10 ms |
1016 KB |
Output is correct |
36 |
Correct |
11 ms |
1016 KB |
Output is correct |