oj.uz

Submission #577077

# Submission time Handle Problem Language Result Execution time Memory
577077 2022-06-14T02:40:49 Z AGE Checker (COCI19_checker) C++14
110 / 110
 2236 ms 323960 KB 
#include <bits/stdc++.h>
#define int long long
#define F first
#define S second
#define pb push_back

using namespace std;
const int N=2e6,M=3e3+2,mod=1e9+7;
int seg[N],x[N],y[N],z[N];
vector< pair<int,int> > v[N];
vector<int>adj[N];
vector< pair<int,int> > adjj[N];
map< pair<int,int> , int > col;


void update(int v,int tl,int tr,int index){

    if(tl==tr){

        /*if(seg[v]==0)
            seg2[v]=1;

        else
            seg3[v]=1;*/

        seg[v]=!seg[v];

        return ;

    }

    int tm=(tl+tr)/2;

    if(index<=tm)
        update(v*2,tl,tm,index);

    else
        update(v*2+1,tm+1,tr,index);

    seg[v]=seg[v*2]+seg[v*2+1];
    /*seg2[v]=seg2[v*2]+seg2[v*2+1];
    seg3[v]=seg3[v*2]+seg3[v*2+1];*/


}

int get(int v,int tl,int tr,int l,int r){

    if(tl>r||tr<l)
        return 0;

    if(tl>=l&&tr<=r)
        return seg[v];

    int tm=(tl+tr)/2;

    return get(v*2,tl,tm,l,r)+get(v*2+1,tm+1,tr,l,r);

}
main(){

    int xx;
    cin>>xx;

    if(xx==4||xx==3||xx==5){

    int n;
    cin>>n;


    string s;
    cin>>s;

    for(int i=1;i<=n;i++){

        if(i==n){

            col[{n,1}]=s[i-1]-'0';
            col[{1,n}]=s[i-1]-'0';
            adj[1].pb(n);
            adj[n].pb(1);

        }

        col[{i,i+1}]=s[i-1]-'0';
        col[{i+1,i}]=s[i-1]-'0';
        adj[i].pb(i+1);
        adj[i+1].pb(i);

    }

    map<int,int>mp;

    for(int i=0;i<n-3;i++){

        cin>>x[i]>>y[i]>>z[i];

        col[{x[i],y[i]}]=z[i];
        col[{y[i],x[i]}]=z[i];
        adj[x[i]].pb(y[i]);
        adj[y[i]].pb(x[i]);

        v[min(x[i],y[i])].pb({1,i+1});
        v[max(x[i],y[i])].pb({0,i+1});

    }


    bool Final_ans=0;

    for(int i=1;i<=n;i++){

        for(auto x:v[i])
            if(x.F==0)
                update(1,1,n,mp[x.S]);

        for(auto x:v[i]){

            if(x.F==1)
                continue;

            int xxx=get(1,1,n,mp[x.S]+1,i);
            if(xxx!=0)
                Final_ans=1;

        }

        for(auto x:v[i]){
            if(x.F==1)
                mp[x.S]=i,update(1,1,n,i);
        }

    }

    bool Final_ans2=0;

    for(int i=0;i<n-3;i++){

        if(adj[x[i]].size()<adj[y[i]].size()){

            for(int j=0;j<adj[x[i]].size();j++){

                if(col[{y[i],adj[x[i]][j]}]==0)
                    continue;

                if(col[{y[i],adj[x[i]][j]}]==col[{x[i],adj[x[i]][j]}]||col[{y[i],adj[x[i]][j]}]==col[{y[i],x[i]}]||col[{x[i],adj[x[i]][j]}]==col[{x[i],y[i]}])
                    Final_ans2=1;

            }

        }

        else{

            for(int j=0;j<adj[y[i]].size();j++){

                if(col[{x[i],adj[y[i]][j]}]==0)
                    continue;


                if(col[{x[i],adj[y[i]][j]}]==col[{y[i],adj[y[i]][j]}]||col[{x[i],adj[y[i]][j]}]==col[{y[i],x[i]}]||col[{y[i],adj[y[i]][j]}]==col[{x[i],y[i]}])
                    Final_ans2=1;

            }

        }

    }

    if(Final_ans==1)
        cout<<"neispravna triangulacija"<<endl;

    else if(Final_ans==0&&Final_ans2==0)
        cout<<"tocno"<<endl;

    else if(Final_ans==0&&Final_ans2==1)
        cout<<"neispravno bojenje"<<endl;

    }

    else{

    int n;
    cin>>n;

    string s;
    cin>>s;
    map< pair<int,int> , pair<int,int> > mp;

    for(int i=1;i<=n;i++){
        if(i==n)
            mp[{n,1}]={1,s[i-1]-'0'},mp[{1,n}]={1,s[i-1]-'0'};
        mp[{i,i+1}]={1,s[i-1]-'0'};
        mp[{i+1,i}]={1,s[i-1]-'0'};
    }


    for(int i=0;i<n-3;i++){

        cin>>x[i]>>y[i]>>z[i];
        adjj[x[i]].pb({y[i],z[i]});
        adjj[y[i]].pb({x[i],z[i]});
        mp[{x[i],y[i]}]={1,z[i]};
        mp[{y[i],x[i]}]={1,z[i]};

    }

    int ok=0;

    for(int i=0;i<n-3;i++){
        for(int j=0;j<n-3;j++){

            if(i==j)
                continue;

            if((min(x[i],y[i])<max(x[j],y[j]))&&(max(x[i],y[i])>max(x[j],y[j]))&&(min(x[i],y[i])>min(x[j],y[j])))
                ok=1;

        }
    }
    int ok2=0;

    for(int i=0;i<n-3;i++){

        for(int j=1;j<=n;j++){

            if(j==x[i]||j==y[i])
                continue;

            pair<int,int> p;
            p={0,0};
            if((mp[{x[i],j}]. F!=0)&&(mp[{y[i],j}].F!=0)){

                if((mp[{x[i],j}].S==mp[{y[i],j}].S)||(mp[{x[i],j}].S==mp[{x[i],y[i]}].S)||(mp[{y[i],j}].S==z[i]))
                    ok2=1;
            }
        }
    }

    if(ok2==0&&ok==0)
        cout<<"tocno"<<endl;

    else if(ok==0&&ok2==1)
        cout<<"neispravno bojenje"<<endl;

    else
        cout<<"neispravna triangulacija"<<endl;



    }
    return 0;

}

Compilation message

checker.cpp:60:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   60 | main(){
      | ^~~~
checker.cpp: In function 'int main()':
checker.cpp:141:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  141 |             for(int j=0;j<adj[x[i]].size();j++){
      |                         ~^~~~~~~~~~~~~~~~~
checker.cpp:155:26: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  155 |             for(int j=0;j<adj[y[i]].size();j++){
      |                         ~^~~~~~~~~~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 141576 KB Output is correct
2 Correct 69 ms 141616 KB Output is correct
3 Correct 71 ms 141572 KB Output is correct
4 Correct 65 ms 141664 KB Output is correct
5 Correct 65 ms 141688 KB Output is correct
6 Correct 66 ms 141600 KB Output is correct
7 Correct 75 ms 141608 KB Output is correct

Subtask #2
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 141576 KB Output is correct
2 Correct 69 ms 141616 KB Output is correct
3 Correct 71 ms 141572 KB Output is correct
4 Correct 65 ms 141664 KB Output is correct
5 Correct 65 ms 141688 KB Output is correct
6 Correct 66 ms 141600 KB Output is correct
7 Correct 75 ms 141608 KB Output is correct
8 Correct 613 ms 314200 KB Output is correct
9 Correct 623 ms 315732 KB Output is correct
10 Correct 624 ms 315340 KB Output is correct
11 Correct 630 ms 323960 KB Output is correct
12 Correct 624 ms 316672 KB Output is correct
13 Correct 635 ms 320128 KB Output is correct
14 Correct 620 ms 316972 KB Output is correct

Subtask #3
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2236 ms 257028 KB Output is correct
2 Correct 2179 ms 256988 KB Output is correct
3 Correct 2075 ms 257188 KB Output is correct
4 Correct 2187 ms 257252 KB Output is correct
5 Correct 2191 ms 257476 KB Output is correct
6 Correct 2179 ms 239864 KB Output is correct
7 Correct 2063 ms 236328 KB Output is correct
8 Correct 2078 ms 238084 KB Output is correct
9 Correct 2059 ms 237128 KB Output is correct

Subtask #4
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 2173 ms 257164 KB Output is correct
2 Correct 2164 ms 257228 KB Output is correct
3 Correct 2169 ms 257336 KB Output is correct
4 Correct 2143 ms 256984 KB Output is correct
5 Correct 2078 ms 257164 KB Output is correct
6 Correct 2132 ms 238296 KB Output is correct
7 Correct 2023 ms 236996 KB Output is correct
8 Correct 2089 ms 239456 KB Output is correct
9 Correct 2029 ms 236096 KB Output is correct

Subtask #5
35.0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 67 ms 141576 KB Output is correct
2 Correct 69 ms 141616 KB Output is correct
3 Correct 71 ms 141572 KB Output is correct
4 Correct 65 ms 141664 KB Output is correct
5 Correct 65 ms 141688 KB Output is correct
6 Correct 66 ms 141600 KB Output is correct
7 Correct 75 ms 141608 KB Output is correct
8 Correct 613 ms 314200 KB Output is correct
9 Correct 623 ms 315732 KB Output is correct
10 Correct 624 ms 315340 KB Output is correct
11 Correct 630 ms 323960 KB Output is correct
12 Correct 624 ms 316672 KB Output is correct
13 Correct 635 ms 320128 KB Output is correct
14 Correct 620 ms 316972 KB Output is correct
15 Correct 2236 ms 257028 KB Output is correct
16 Correct 2179 ms 256988 KB Output is correct
17 Correct 2075 ms 257188 KB Output is correct
18 Correct 2187 ms 257252 KB Output is correct
19 Correct 2191 ms 257476 KB Output is correct
20 Correct 2179 ms 239864 KB Output is correct
21 Correct 2063 ms 236328 KB Output is correct
22 Correct 2078 ms 238084 KB Output is correct
23 Correct 2059 ms 237128 KB Output is correct
24 Correct 2173 ms 257164 KB Output is correct
25 Correct 2164 ms 257228 KB Output is correct
26 Correct 2169 ms 257336 KB Output is correct
27 Correct 2143 ms 256984 KB Output is correct
28 Correct 2078 ms 257164 KB Output is correct
29 Correct 2132 ms 238296 KB Output is correct
30 Correct 2023 ms 236996 KB Output is correct
31 Correct 2089 ms 239456 KB Output is correct
32 Correct 2029 ms 236096 KB Output is correct
33 Correct 2146 ms 257084 KB Output is correct
34 Correct 2170 ms 260056 KB Output is correct
35 Correct 2146 ms 259916 KB Output is correct
36 Correct 2076 ms 259968 KB Output is correct
37 Correct 2182 ms 259952 KB Output is correct
38 Correct 2109 ms 259820 KB Output is correct
39 Correct 2209 ms 259928 KB Output is correct
40 Correct 2130 ms 242520 KB Output is correct
41 Correct 2003 ms 240068 KB Output is correct
42 Correct 1987 ms 241192 KB Output is correct
43 Correct 2047 ms 242176 KB Output is correct