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Submission #990875

# Submission time Handle Problem Language Result Execution time Memory
990875 2024-05-31T16:59:24 Z BF001 Sirni (COCI17_sirni) C++17
14 / 140
 231 ms 369232 KB 
#include <bits/stdc++.h>
using namespace std;

#define int long long
#define N 100005
#define se second
#define fi first

int n, par[N], res = 0;
vector<int> p;

struct ii
{
	int u, v, w;
	bool operator < (ii o){
		return w < o.w;
	}
};

int find(int u){
	if (u == par[u]) return u;
	return par[u] = find(par[u]);
}

void unin(int u, int v, int w){
	u = find(u);
	v = find(v);
	if (u == v) return;
	par[u] = v;
	res += w;
}

signed main(){
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
        
    cin >> n;
    for (int i = 1; i <= n; i++){
    	int val;
    	par[i] = i;
    	cin >> val;
    	p.push_back(val);
    }

    sort(p.begin(), p.end());
    p.resize(unique(p.begin(), p.end()) - p.begin());

    int ma = p.back();
    vector<int> near(ma + 1, -1);
    vector<pair<int, int>> eg[ma + 1];

    for (int i = 0; i < (int) p.size(); i++){
    	near[p[i]] = i + 1;
    }

    for (int i = ma - 1; i >= 1; i--){
    	if (near[i] == -1) near[i] = near[i + 1];
    }

    for (int i = 0; i < (int) p.size(); i++){
    	eg[(p[i + 1] % p[i])].push_back({i + 1, i + 2});
    	for (int j = 2 * p[i]; j <= ma; j += p[i]){
    		int pos = near[j];
    		if (pos == -1) continue;
    		eg[p[pos - 1] % p[i]].push_back({i + 1, pos});
    	}
    }

    for (int i = 0; i <= ma; i++){
    	for (auto x : eg[i]){
    		unin(x.fi, x.se, i);
    	}
    }

    cout << res;

    return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 153 ms 313420 KB Output is correct
2 Incorrect 224 ms 369232 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 860 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 313432 KB Output is correct
2 Correct 164 ms 312912 KB Output is correct
3 Correct 167 ms 313684 KB Output is correct

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 65 ms 53176 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 35672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 102 ms 81136 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 14284 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 226 ms 340944 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 231 ms 351180 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 181 ms 318416 KB Output isn't correct
2 Halted 0 ms 0 KB -