Submission #730728

#	Time	Username	Problem	Language	Result	Execution time	Memory
730728		Augustyn	Superpozicija (COCI22_superpozicija)	C++17	110 / 110	27 ms	3096 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define f first
#define s second
#define pf printf
#define pii pair<int,int>
pii ab[200001];
char naw[200001];
int jb[200001],gr[200001];
int t,n;
void rozw()
{
    scanf("%d",&n);    
    priority_queue<pii ,vector<pii >,greater<pii >>dod;
    getchar();
    for(int i=0;i<n*2;++i)
        naw[i]=getchar();
    for(int i=0;i<n;++i)
    {
        scanf("%d%d",&ab[i].f,&ab[i].s);
        --ab[i].f;
        --ab[i].s;
        gr[ab[i].f]=ab[i].s;
        gr[ab[i].s]=ab[i].f;
    }
    int ile=0;
    for(int i=0;i<2*n;++i)
    {
        if(naw[gr[i]]==naw[i])
        {
            if(naw[i]=='('&&i<gr[i])
            {
                jb[i]=t;
                jb[gr[i]]=-t;
                ++ile;
            }
            else if(naw[i]==')'&&i>gr[i])
            {
                jb[i]=t;
                jb[gr[i]]=-t;
                --ile;
            }
        }
        else
        {
            if(jb[i]!=-t&&jb[i]!=t)
            {
                if(naw[i]=='(')
                {
                    jb[i]=-t;
                    jb[gr[i]]=t;
                    dod.push({gr[i],i});
                }
                else
                {
                    jb[i]=t;
                    jb[gr[i]]=-t;
                    --ile;
                    dod.push({gr[i],i});
                }
            }
            else if(jb[i]==t)
            {
                ile++;
                if(naw[i]==')')
                   ile-=2;
            }
        }
        if(ile<0)
        {
            if(dod.empty())
            {
                pf("-1\n");
                return;
            }
            jb[dod.top().s]*=-1;
            jb[dod.top().f]*=-1;
            ++ile;
            if(max(dod.top().f,dod.top().s)<=i)
                ++ile;
            dod.pop();
        }
    }
    if(ile!=0)
    {
        pf("-1\n");
        return;
    }
    for(int i=0;i<n;++i)
    {
        if(jb[ab[i].f]==t)
            pf("0 ");
        else
            pf("1 ");
    }
    pf("\n");
}
int main()
{
    scanf("%d",&t);
    while(t)
    {
        rozw();
        --t;
    }
}

Compilation message (stderr)

Main.cpp: In function 'void rozw()':
Main.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Main.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   20 |         scanf("%d%d",&ab[i].f,&ab[i].s);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:100:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  100 |     scanf("%d",&t);
      |     ~~~~~^~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 70 / 70