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Submission #519233

# Submission time Handle Problem Language Result Execution time Memory
519233 2022-01-26T04:55:51 Z hohohaha Restore Array (RMI19_restore) C++14
100 / 100
 130 ms 4244 KB 
#include<bits/stdc++.h> 
using namespace std;
#define fori(i, a, b) for(int i = (int) (a); i <= (int) (b); i++)
#define ford(i, a, b) for(int i = (int) (a); i >= (int) (b); i--)
#define fi first
#define se second
#define all(x) begin(x), end(x)
#define ii pair<int, int>
#define pb push_back
#define pf push_front
#define em emplace
#define ef emplace_front
#define eb emplace_back
#define om pop
#define of pop_front
#define ob pop_back
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); 
#define rand rng
#define endl '\n'
#define sp ' '
void solve(); 
signed main() { 
	ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); 
	int test_num = 1; 
	fori(test, 1, test_num) { 
		solve(); 
	}
}
#define int long long
const int maxn = 1e5 + 5, inf = LLONG_MAX / 100ll; 
int n, m; 
vector<pair<int, int> > g[maxn]; 	
int pref[maxn]; 
bool inq[maxn]; 
int up_cnt[maxn];  
void solve() { 
	cin >> n >> m; 
	fori(i, 1, n) { 
		g[i].eb(i - 1, 0); 
	 	g[i - 1].eb(i, 1); 
	 }
	fori(i, 1, m) { 
		int l, r, k, val; 
		cin >> l >> r >> k >> val; l++; r++; 
		if(val == 0) {
			g[l - 1].eb(r, (r - l + 1) - k); 
		}
		else { 
			g[r].eb(l - 1, -((r - l + 1) - k + 1)); 
		}
	}
	fill(all(pref), inf); 
	pref[0] = 0; 
	queue<int> q; q.em(0); inq[0] = 1; 
	while(q.size()) { 
		int u = q.front(); q.pop(); inq[u] = 0; 
		assert(0 <= u and u <= n); 
		for(ii e: g[u]) { 
			int v = e.fi, w = e.se; 
			assert(0 <= v and v <= n); 
			if(pref[v] > pref[u] + w) { 
				pref[v] = pref[u] + w; 
				up_cnt[v]++; 
				if(up_cnt[v] > n or pref[v] < 0) { 
					cout << -1; 
					return; 
				}
				if(!inq[v]) { 
					q.em(v); 
					inq[v] = 1; 
				}
			}
		}
	}
	fori(i, 1, n) { 
		cout << pref[i] - pref[i - 1] << sp; 
	}
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3404 KB Output is correct
2 Correct 2 ms 3440 KB Output is correct
3 Correct 2 ms 3404 KB Output is correct
4 Correct 2 ms 3420 KB Output is correct
5 Correct 2 ms 3404 KB Output is correct
6 Correct 2 ms 3428 KB Output is correct
7 Correct 2 ms 3416 KB Output is correct
8 Correct 2 ms 3404 KB Output is correct
9 Correct 2 ms 3396 KB Output is correct
10 Correct 2 ms 3416 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 3936 KB Output is correct
2 Correct 14 ms 4088 KB Output is correct
3 Correct 13 ms 4064 KB Output is correct
4 Correct 14 ms 4160 KB Output is correct
5 Correct 5 ms 4172 KB Output is correct
6 Correct 6 ms 4080 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 3936 KB Output is correct
2 Correct 14 ms 4088 KB Output is correct
3 Correct 13 ms 4064 KB Output is correct
4 Correct 14 ms 4160 KB Output is correct
5 Correct 5 ms 4172 KB Output is correct
6 Correct 6 ms 4080 KB Output is correct
7 Correct 12 ms 4232 KB Output is correct
8 Correct 13 ms 4244 KB Output is correct
9 Correct 19 ms 4184 KB Output is correct
10 Correct 11 ms 4172 KB Output is correct
11 Correct 5 ms 4172 KB Output is correct
12 Correct 9 ms 4176 KB Output is correct
13 Correct 14 ms 4196 KB Output is correct
14 Correct 19 ms 4172 KB Output is correct
15 Correct 35 ms 4232 KB Output is correct
16 Correct 130 ms 4224 KB Output is correct

Subtask #4
55.0 / 55.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 3404 KB Output is correct
2 Correct 2 ms 3440 KB Output is correct
3 Correct 2 ms 3404 KB Output is correct
4 Correct 2 ms 3420 KB Output is correct
5 Correct 2 ms 3404 KB Output is correct
6 Correct 2 ms 3428 KB Output is correct
7 Correct 2 ms 3416 KB Output is correct
8 Correct 2 ms 3404 KB Output is correct
9 Correct 2 ms 3396 KB Output is correct
10 Correct 2 ms 3416 KB Output is correct
11 Correct 15 ms 3936 KB Output is correct
12 Correct 14 ms 4088 KB Output is correct
13 Correct 13 ms 4064 KB Output is correct
14 Correct 14 ms 4160 KB Output is correct
15 Correct 5 ms 4172 KB Output is correct
16 Correct 6 ms 4080 KB Output is correct
17 Correct 12 ms 4232 KB Output is correct
18 Correct 13 ms 4244 KB Output is correct
19 Correct 19 ms 4184 KB Output is correct
20 Correct 11 ms 4172 KB Output is correct
21 Correct 5 ms 4172 KB Output is correct
22 Correct 9 ms 4176 KB Output is correct
23 Correct 14 ms 4196 KB Output is correct
24 Correct 19 ms 4172 KB Output is correct
25 Correct 35 ms 4232 KB Output is correct
26 Correct 130 ms 4224 KB Output is correct
27 Correct 8 ms 4172 KB Output is correct
28 Correct 13 ms 4208 KB Output is correct
29 Correct 9 ms 4208 KB Output is correct
30 Correct 8 ms 4172 KB Output is correct
31 Correct 8 ms 4164 KB Output is correct
32 Correct 8 ms 4220 KB Output is correct
33 Correct 6 ms 4208 KB Output is correct
34 Correct 5 ms 4044 KB Output is correct
35 Correct 8 ms 4216 KB Output is correct
36 Correct 8 ms 4172 KB Output is correct