#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;
struct bracket{
int pos; int other; bool open; int colour;
};
bool comp(bracket a, bracket b){
if(a.pos != b.pos) return a.pos < b.pos;
if(a.open && !b.open) return false;
if(!a.open && b.open) return true;
if(a.open){
return a.other > b.other;
}
else{
return a.other > b.other;
}
}
void notTriangle(){
cout << "neispravna triangulacija";
exit(0);
}
map<ii, int> Colour;
int main(){
//freopen("i.txt","r",stdin);
ios_base::sync_with_stdio(false);
int ST; cin >> ST;
int n; cin >> n;
string S; cin >> S;
vector<bracket> B;
for(int i = 0;i < n;i++){
int l = i+1;
int r = i+2;
if(r == n+1) r = 1;
if(l > r) swap(l,r);
int c = S[i] - '0';
B.push_back({l,r,true,c});
B.push_back({r,l,false,c});
Colour[ii(l,r)] = c;
Colour[ii(r,l)] = c;
}
for(int i = 0;i < n-3;i++){
int l, r, c; cin >> l >> r >> c;
if(l > r) swap(l,r);
Colour[ii(l,r)] = c;
Colour[ii(r,l)] = c;
B.push_back({l,r,true,c});
B.push_back({r,l,false,c});
}
sort(B.begin(),B.end(),comp);
bool xxxxxxxxxxxxxxxxxxxxxxx = false;
bracket pre = {0,0,0,0};
stack<ii> s;
for(bracket b : B){
//cout << b.pos << " " << b.other << " " << b.open << " " << b.colour << endl;
if(b.open){
s.push(ii(b.pos,b.other));
if(pre.open){
int x = b.pos;
int y = pre.other;
int z = b.other;
set<int> CCC;
CCC.insert(Colour[ii(x,y)]);
CCC.insert(Colour[ii(x,z)]);
CCC.insert(Colour[ii(z,y)]);
//cout << x << " " << y << " " << z << "\n";
if(CCC.size() != 3) xxxxxxxxxxxxxxxxxxxxxxx = true;
}
}
else{
ii t = s.top();
if(t.first != b.other && t.second != b.pos){
notTriangle();
}
else s.pop();
}
pre = b;
}
if(xxxxxxxxxxxxxxxxxxxxxxx) cout << "neispravno bojenje";
else cout << "tocno";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
8 ms |
1024 KB |
Output is correct |
9 |
Correct |
8 ms |
1024 KB |
Output is correct |
10 |
Correct |
8 ms |
1024 KB |
Output is correct |
11 |
Correct |
8 ms |
1024 KB |
Output is correct |
12 |
Correct |
10 ms |
1024 KB |
Output is correct |
13 |
Correct |
9 ms |
1024 KB |
Output is correct |
14 |
Correct |
8 ms |
1024 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
911 ms |
63372 KB |
Output is correct |
2 |
Correct |
896 ms |
63200 KB |
Output is correct |
3 |
Correct |
747 ms |
63308 KB |
Output is correct |
4 |
Correct |
753 ms |
63180 KB |
Output is correct |
5 |
Correct |
724 ms |
63180 KB |
Output is correct |
6 |
Correct |
948 ms |
64216 KB |
Output is correct |
7 |
Correct |
928 ms |
64184 KB |
Output is correct |
8 |
Correct |
784 ms |
63356 KB |
Output is correct |
9 |
Correct |
806 ms |
63580 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
892 ms |
63312 KB |
Output is correct |
2 |
Correct |
888 ms |
63312 KB |
Output is correct |
3 |
Correct |
884 ms |
63324 KB |
Output is correct |
4 |
Correct |
895 ms |
63324 KB |
Output is correct |
5 |
Correct |
892 ms |
63324 KB |
Output is correct |
6 |
Correct |
908 ms |
64560 KB |
Output is correct |
7 |
Correct |
916 ms |
64492 KB |
Output is correct |
8 |
Correct |
930 ms |
64220 KB |
Output is correct |
9 |
Correct |
930 ms |
64152 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
5 ms |
384 KB |
Output is correct |
2 |
Correct |
4 ms |
256 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
5 ms |
384 KB |
Output is correct |
5 |
Correct |
5 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
5 ms |
384 KB |
Output is correct |
8 |
Correct |
8 ms |
1024 KB |
Output is correct |
9 |
Correct |
8 ms |
1024 KB |
Output is correct |
10 |
Correct |
8 ms |
1024 KB |
Output is correct |
11 |
Correct |
8 ms |
1024 KB |
Output is correct |
12 |
Correct |
10 ms |
1024 KB |
Output is correct |
13 |
Correct |
9 ms |
1024 KB |
Output is correct |
14 |
Correct |
8 ms |
1024 KB |
Output is correct |
15 |
Correct |
911 ms |
63372 KB |
Output is correct |
16 |
Correct |
896 ms |
63200 KB |
Output is correct |
17 |
Correct |
747 ms |
63308 KB |
Output is correct |
18 |
Correct |
753 ms |
63180 KB |
Output is correct |
19 |
Correct |
724 ms |
63180 KB |
Output is correct |
20 |
Correct |
948 ms |
64216 KB |
Output is correct |
21 |
Correct |
928 ms |
64184 KB |
Output is correct |
22 |
Correct |
784 ms |
63356 KB |
Output is correct |
23 |
Correct |
806 ms |
63580 KB |
Output is correct |
24 |
Correct |
892 ms |
63312 KB |
Output is correct |
25 |
Correct |
888 ms |
63312 KB |
Output is correct |
26 |
Correct |
884 ms |
63324 KB |
Output is correct |
27 |
Correct |
895 ms |
63324 KB |
Output is correct |
28 |
Correct |
892 ms |
63324 KB |
Output is correct |
29 |
Correct |
908 ms |
64560 KB |
Output is correct |
30 |
Correct |
916 ms |
64492 KB |
Output is correct |
31 |
Correct |
930 ms |
64220 KB |
Output is correct |
32 |
Correct |
930 ms |
64152 KB |
Output is correct |
33 |
Correct |
888 ms |
63180 KB |
Output is correct |
34 |
Correct |
888 ms |
63180 KB |
Output is correct |
35 |
Correct |
771 ms |
63212 KB |
Output is correct |
36 |
Correct |
725 ms |
63180 KB |
Output is correct |
37 |
Correct |
891 ms |
63316 KB |
Output is correct |
38 |
Correct |
895 ms |
63320 KB |
Output is correct |
39 |
Correct |
894 ms |
63308 KB |
Output is correct |
40 |
Correct |
919 ms |
64212 KB |
Output is correct |
41 |
Correct |
929 ms |
64856 KB |
Output is correct |
42 |
Correct |
820 ms |
63704 KB |
Output is correct |
43 |
Correct |
969 ms |
64212 KB |
Output is correct |