oj.uz

Submission #362114

# Submission time Handle Problem Language Result Execution time Memory
362114 2021-02-01T19:15:28 Z limabeans Checker (COCI19_checker) C++17
110 / 110
 223 ms 11132 KB 
#include <bits/stdc++.h>
using namespace std;

template<typename T>
void out(T x) { cout << x << endl; exit(0); }
#define watch(x) cout << (#x) << " is " << (x) << endl




const int maxn = 1e6 + 5;

const string BADTRI = "neispravna triangulacija";
const string NOTPAT = "neispravno bojenje";
const string GOOD = "tocno";


struct iv {
    int l,r,c;
    void read() {
	cin>>l>>r>>c;
	--l; --r;
    }
};

int n;
string s;
vector<iv> w;


int dist(int l, int r) {
    return (r-l+n)%n;

}

string solve() {
    w.clear();
    cin>>n;
    cin>>s;
    w.resize(n-3);
    for (int i=0; i<n-3; i++) {
	w[i].read();
    }
    vector<pair<int,int>> nxt(n);
    for (int i=0; i<n; i++) {
	nxt[i].first = (i+1)%n;
	nxt[i].second = int(s[i]-'0');
    }

    vector<pair<pair<int,int>,int>> diags;
    for (auto p: w) {
	diags.push_back({{p.l,p.r},p.c});
	diags.push_back({{p.r,p.l},p.c});
    }

    sort(diags.begin(), diags.end(), [&](pair<pair<int,int>,int> a, pair<pair<int,int>,int> b) {
	return dist(a.first.first,a.first.second) < dist(b.first.first,b.first.second);
    });



    bool coloring = true;

    for (int i=0; i<n-2; i++) {
	auto cur = diags[i];
	//cout<<cur.first.first+1<<" "<<cur.first.second+1<<endl;
	
	int a = cur.first.first;
	int b = nxt[a].first;
	int c = cur.first.second;
	if (nxt[b].first != c) {
	    return BADTRI;
	}
	vector<int> colors = {cur.second, nxt[a].second, nxt[b].second};
	if ((int)set<int>(colors.begin(), colors.end()).size() < 3) {
	    coloring = false;
	    return NOTPAT;
	}

	nxt[a] = {c, cur.second};
    }

    if (!coloring) {
	return NOTPAT;
    }


    return GOOD;
}


int main() {
    ios_base::sync_with_stdio(false); cin.tie(0);  cout.tie(0);

    int t;
    cin>>t;
    cout<<solve()<<"\n";
    
    
    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 172 ms 10856 KB Output is correct
2 Correct 175 ms 11004 KB Output is correct
3 Correct 171 ms 10984 KB Output is correct
4 Correct 145 ms 11132 KB Output is correct
5 Correct 145 ms 10984 KB Output is correct
6 Correct 223 ms 10984 KB Output is correct
7 Correct 189 ms 10984 KB Output is correct
8 Correct 167 ms 11120 KB Output is correct
9 Correct 164 ms 10980 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 174 ms 10856 KB Output is correct
2 Correct 174 ms 10984 KB Output is correct
3 Correct 138 ms 10984 KB Output is correct
4 Correct 135 ms 10984 KB Output is correct
5 Correct 151 ms 10984 KB Output is correct
6 Correct 192 ms 10984 KB Output is correct
7 Correct 201 ms 10984 KB Output is correct
8 Correct 166 ms 10984 KB Output is correct
9 Correct 166 ms 10984 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 2 ms 492 KB Output is correct
9 Correct 2 ms 492 KB Output is correct
10 Correct 2 ms 492 KB Output is correct
11 Correct 2 ms 492 KB Output is correct
12 Correct 2 ms 492 KB Output is correct
13 Correct 2 ms 492 KB Output is correct
14 Correct 2 ms 492 KB Output is correct
15 Correct 172 ms 10856 KB Output is correct
16 Correct 175 ms 11004 KB Output is correct
17 Correct 171 ms 10984 KB Output is correct
18 Correct 145 ms 11132 KB Output is correct
19 Correct 145 ms 10984 KB Output is correct
20 Correct 223 ms 10984 KB Output is correct
21 Correct 189 ms 10984 KB Output is correct
22 Correct 167 ms 11120 KB Output is correct
23 Correct 164 ms 10980 KB Output is correct
24 Correct 174 ms 10856 KB Output is correct
25 Correct 174 ms 10984 KB Output is correct
26 Correct 138 ms 10984 KB Output is correct
27 Correct 135 ms 10984 KB Output is correct
28 Correct 151 ms 10984 KB Output is correct
29 Correct 192 ms 10984 KB Output is correct
30 Correct 201 ms 10984 KB Output is correct
31 Correct 166 ms 10984 KB Output is correct
32 Correct 166 ms 10984 KB Output is correct
33 Correct 168 ms 10980 KB Output is correct
34 Correct 172 ms 11132 KB Output is correct
35 Correct 164 ms 10984 KB Output is correct
36 Correct 144 ms 10984 KB Output is correct
37 Correct 134 ms 11112 KB Output is correct
38 Correct 157 ms 11112 KB Output is correct
39 Correct 138 ms 10984 KB Output is correct
40 Correct 193 ms 10984 KB Output is correct
41 Correct 195 ms 10984 KB Output is correct
42 Correct 164 ms 10980 KB Output is correct
43 Correct 165 ms 10984 KB Output is correct