#include<bits/stdc++.h>
#include<chrono>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef long double ld;
typedef string st;
typedef bool bl;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
typedef vector<pii> vpi;
#define pu push
#define ordered_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
#define fast ios_base::sync_with_stdio(0);cin.tie();
#define test ll qqqqq;cin>>qqqqq;while(qqqqq--)
#define F first
#define S second
#define forn(i,n) for(ll i=0;i<n;i++)
#define forx(i,j,n) for(ll i=j;i<n;i++)
#define pb push_back
#define pob pop_back
#define all(v) v.begin(),v.end()
#define lb lower_bound
#define ub upper_bound
#define pof pop_front
#define pow powww
#define prtll(x) printf("%lld",x)
#define prtld(x) printf("%Lf",x)
#define prtst(x) printf("%s",x)
#define prtch(x) printf("%c",x)
#define measure chrono::high_resolution_clock::now()
const ll dx[]{1,0,-1,0};
const ll dy[]{0,-1,0,1};
const ll inf=2e18;
const ll mod=1e9+7;
const ll LM=2e7+1;
const ll M=3e6+1;
const ll MM=1002;
const ll MMM=501;
const ld pi=acos(-1);
//const ll mod=998244353;
ll pow(ll r,ll to,ll m=mod){
ll res=1;
while(to){
if((to&1)){
res*=r,res%=mod;
}
r*=r,r%=mod;
to=(to>>1);
}
return res;
}
ll n;
st s;
map<pii,ll>mp;
int main(){
fast
cin>>n;
cin>>n;
cin>>s;
forn(i,s.size()-1){
mp[{i+1,i+2}]=mp[{i+2,i+1}]=s[i]-'0';
}
mp[{n,1}]=mp[{1,n}]=s[s.size()-1]-'0';
forn(i,n-3){
ll x,y,z;
cin>>x>>y>>z;
mp[{x,y}]=mp[{y,x}]=z;
}
ll chk=2;
vii v;
forx(i,1,n+1)
v.pb(i);
while(v.size()>=3){
if(v.size()>3){
ll ind=0;
forn(i,v.size()){
if(mp[{v[i],v[(i+2)%v.size()]}]>0){
ind=i+1;
break;
}
}
if(ind==0){
chk=0;
break;
}
ind--;
ll iind=ind;
forn(i,(v.size()+1)/2){
if(mp[{v[ind],v[(ind+2)%v.size()]}]==0)
chk=0;
if(mp[{v[ind],v[(ind+2)%v.size()]}]!=mp[{v[ind],v[(ind+1)%v.size()]}]){
if(mp[{v[ind],v[(ind+1)%v.size()]}]!=mp[{v[(ind+1)%v.size()],v[(ind+2)%v.size()]}]){
if(mp[{v[ind],v[(ind+2)%v.size()]}]!=mp[{v[(ind+1)%v.size()],v[(ind+2)%v.size()]}])
continue;
chk=1;
}
else
chk=1;
}
else
chk=1;
ind+=2;
ind%=v.size();
}
vii vv;
forn(i,(v.size()+1)/2){
vv.pb(v[iind]);
iind+=2;
iind%=v.size();
}
v.clear();
for(auto it:vv)
v.pb(it);
}
else{
if(min(mp[{v[1],v[2]}],min(mp[{v[0],v[1]}],mp[{v[0],v[2]}]))==0)
chk=0;
else{
if(mp[{v[1],v[2]}]==mp[{v[0],v[1]}])
chk=1;
if(mp[{v[1],v[2]}]==mp[{v[0],v[2]}])
chk=1;
if(mp[{v[0],v[1]}]==mp[{v[0],v[2]}])
chk=1;
}
break;
}
}
if(chk==0)
cout<<"neispravna triangulacija";
else if(chk==1)
cout<<"neispravno bojenje";
else
cout<<"tocno";
return 0;
}
/*
*/
Compilation message
checker.cpp: In function 'int main()':
checker.cpp:20:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | #define forn(i,n) for(ll i=0;i<n;i++)
......
63 | forn(i,s.size()-1){
| ~~~~~~~~~~~~
checker.cpp:63:3: note: in expansion of macro 'forn'
63 | forn(i,s.size()-1){
| ^~~~
checker.cpp:20:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | #define forn(i,n) for(ll i=0;i<n;i++)
......
79 | forn(i,v.size()){
| ~~~~~~~~~~
checker.cpp:79:5: note: in expansion of macro 'forn'
79 | forn(i,v.size()){
| ^~~~
checker.cpp:20:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | #define forn(i,n) for(ll i=0;i<n;i++)
......
91 | forn(i,(v.size()+1)/2){
| ~~~~~~~~~~~~~~~~
checker.cpp:91:5: note: in expansion of macro 'forn'
91 | forn(i,(v.size()+1)/2){
| ^~~~
checker.cpp:20:31: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
20 | #define forn(i,n) for(ll i=0;i<n;i++)
......
109 | forn(i,(v.size()+1)/2){
| ~~~~~~~~~~~~~~~~
checker.cpp:109:5: note: in expansion of macro 'forn'
109 | forn(i,(v.size()+1)/2){
| ^~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
646 ms |
53972 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
634 ms |
54088 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
1 ms |
340 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
