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Submission #991522

# Submission time Handle Problem Language Result Execution time Memory
991522 2024-06-02T11:17:09 Z Nika533 September (APIO24_september) C++17
59 / 100
 154 ms 22364 KB 
#pragma GCC diagnostic warning "-std=c++11"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define s second
#define MOD 1000000007
#define flush fflush(stdout)
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(), (x).rend()
#define pii pair<int,int>
using namespace std;

const int N=1e5+5,M=15;
int T,k,sz[N][M],p[N][M];
vector<int> g[N];

void make_set(int v, int t) {
	p[v][t]=v; sz[v][t]=1;
}
int find_set(int v, int t) {
	if (p[v][t]==v) return v;
	return p[v][t]=find_set(p[v][t],t);
}
void merge(int a, int b, int t) {
	a=find_set(a,t); b=find_set(b,t);
	if (a==b) return;
	if (sz[a][t]<sz[b][t]) swap(a,b);
	sz[a][t]+=sz[b][t]; p[b][t]=a;
}

void add_edges(int v, int t) {
	for (auto u:g[v]) if (p[u][t]>=0) merge(u,v,t);
}

int solve(int n, int m, vector<int> F,vector<vector<int>> S) {
	for (int i=0; i<n; i++) {
		for (int j=0; j<m; j++) p[i][j]=-1;
		g[i].clear();
	}
	for (int i=1; i<n; i++) {
		g[i].pb(F[i]); g[F[i]].pb(i);
	}
	int ans=0;
	for (int i=0; i<m; i++) make_set(0,i);
	for (int i=n-2; i>=0; i--) {
		bool check=1;
		for (int j=0; j<m; j++) {
			int x=S[j][i];
			make_set(x,j);
			add_edges(x,j);
			if (sz[find_set(x,j)][j]!=n-i) check=0;
		}
		if (check) ans++;
	}
	return ans;
}

Compilation message

september.cpp:1:32: warning: '-std=c++11' is not an option that controls warnings [-Wpragmas]
    1 | #pragma GCC diagnostic warning "-std=c++11"
      |                                ^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct

Subtask #2
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Incorrect 2 ms 6748 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6628 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 3 ms 6744 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6628 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6628 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct

Subtask #6
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Incorrect 2 ms 6748 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #7
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6628 KB Output is correct
4 Correct 137 ms 19208 KB Output is correct
5 Correct 116 ms 19204 KB Output is correct
6 Correct 107 ms 19208 KB Output is correct

Subtask #8
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Correct 3 ms 6744 KB Output is correct
9 Correct 1 ms 6748 KB Output is correct
10 Correct 1 ms 6628 KB Output is correct
11 Correct 2 ms 6748 KB Output is correct
12 Correct 1 ms 6748 KB Output is correct
13 Correct 1 ms 6748 KB Output is correct
14 Correct 1 ms 6748 KB Output is correct
15 Correct 1 ms 6748 KB Output is correct
16 Correct 1 ms 6748 KB Output is correct
17 Correct 1 ms 6748 KB Output is correct
18 Correct 137 ms 19208 KB Output is correct
19 Correct 116 ms 19204 KB Output is correct
20 Correct 107 ms 19208 KB Output is correct
21 Correct 154 ms 19628 KB Output is correct
22 Correct 135 ms 19764 KB Output is correct
23 Correct 125 ms 19340 KB Output is correct
24 Correct 124 ms 19376 KB Output is correct
25 Correct 135 ms 19628 KB Output is correct
26 Correct 134 ms 19884 KB Output is correct
27 Correct 119 ms 19400 KB Output is correct

Subtask #9
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6628 KB Output is correct
4 Correct 2 ms 6748 KB Output is correct
5 Correct 2 ms 6748 KB Output is correct
6 Correct 2 ms 6748 KB Output is correct
7 Correct 137 ms 19208 KB Output is correct
8 Correct 116 ms 19204 KB Output is correct
9 Correct 107 ms 19208 KB Output is correct
10 Correct 68 ms 22284 KB Output is correct
11 Correct 89 ms 22300 KB Output is correct
12 Correct 68 ms 22364 KB Output is correct

Subtask #10
0.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 6744 KB Output is correct
2 Correct 1 ms 6748 KB Output is correct
3 Correct 1 ms 6748 KB Output is correct
4 Correct 1 ms 6748 KB Output is correct
5 Correct 1 ms 6748 KB Output is correct
6 Correct 1 ms 6748 KB Output is correct
7 Correct 1 ms 6748 KB Output is correct
8 Incorrect 2 ms 6748 KB Output isn't correct
9 Halted 0 ms 0 KB -