Submission #730711

#	Time	Username	Problem	Language	Result	Execution time	Memory
730711		Augustyn	Superpozicija (COCI22_superpozicija)	C++17	110 / 110	29 ms	4400 KiB

Main

#include<iostream>
#include<vector>
#include<queue>
using namespace std;
vector<pair<int,int>>ab;
vector<char>naw;
vector<int>juzwyb,gdziedr;
int t,n;
void rozw()
{
    scanf("%d",&n);    
    priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>>dod;
    ab.resize(n);
    juzwyb.resize(n<<1);
    gdziedr.resize(n<<1);
    naw.resize(n<<1);
    char wcz=getchar();
    while(wcz!='('&&wcz!=')')
        wcz=getchar();
    for(int i=0;i<(n<<1);++i)
    {
        naw[i]=wcz;
        wcz=getchar();
    }
    for(int i=0;i<n;++i)
    {
        scanf("%d%d",&ab[i].first,&ab[i].second);
        --ab[i].first;
        --ab[i].second;
        gdziedr[ab[i].first]=ab[i].second;
        gdziedr[ab[i].second]=ab[i].first;
    }
    int ile=0;
    for(int i=0;i<2*n;++i)
    {
        if(naw[gdziedr[i]]==naw[i])
        {
            if(naw[i]=='('&&i<gdziedr[i])
            {
                juzwyb[i]=t;
                juzwyb[gdziedr[i]]=-t;
                ++ile;
            }
            else if(naw[i]==')'&&i>gdziedr[i])
            {
                juzwyb[i]=t;
                juzwyb[gdziedr[i]]=-t;
                --ile;
            }
        }
        else
        {
            if(juzwyb[i]!=-t&&juzwyb[i]!=t)
            {
                if(naw[i]=='(')
                {
                    juzwyb[i]=-t;
                    juzwyb[gdziedr[i]]=t;
                    dod.push({gdziedr[i],i});
                }
                else
                {
                    juzwyb[i]=t;
                    juzwyb[gdziedr[i]]=-t;
                    --ile;
                    dod.push({gdziedr[i],i});
                }
            }
            else
            {
                if(juzwyb[i]==t)
                {
                    if(naw[i]==')')
                        --ile;
                    else
                        ++ile;
                }
            }
        }
        if(ile<0)
        {
            if(dod.empty())
            {
                printf("-1\n");
                return;
            }
            juzwyb[dod.top().second]*=-1;
            juzwyb[dod.top().first]*=-1;
            ++ile;
            if(max(dod.top().first,dod.top().second)<=i)
                ++ile;
            dod.pop();
        }
    }
    if(ile!=0)
    {
        printf("-1\n");
        return;
    }
    for(int i=0;i<n;++i)
    {
        if(juzwyb[ab[i].first]==t)
            printf("0 ");
        else
            printf("1 ");
    }
    printf("\n");
}
int main()
{
    ios_base::sync_with_stdio(0);
    scanf("%d",&t);
    while(t)
    {
        rozw();
        --t;
    }
}

Compilation message (stderr)

Main.cpp: In function 'void rozw()':
Main.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
Main.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         scanf("%d%d",&ab[i].first,&ab[i].second);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp: In function 'int main()':
Main.cpp:112:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
  112 |     scanf("%d",&t);
      |     ~~~~~^~~~~~~~~

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