Submission #730737

#	Time	Username	Problem	Language	Result	Execution time	Memory
730737		Augustyn	Superpozicija (COCI22_superpozicija)	C++17	Compilation error	0 ms	0 KiB

Main

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

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:73:1: error: return-statement with no value, in function returning 'int' [-fpermissive]
   73 | return;
      | ^~~~~~
Main.cpp:86:1: error: return-statement with no value, in function returning 'int' [-fpermissive]
   86 | return;
      | ^~~~~~
Main.cpp:13:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | scanf("%d",&t);
      | ~~~~~^~~~~~~~~
Main.cpp:16:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 | scanf("%d",&n);
      | ~~~~~^~~~~~~~~
Main.cpp:22:6: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 | scanf("%d%d",&a[i].f,&a[i].s);
      | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~