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  1. #define s(n)                        scanf("%d",&n)
  2. #define sl(n)                       scanf("%lld",&n)
  3. #define pln(n)                      printf("%lld\n",n)
  4. #define forall(i,a,b)               for(int i=a;i<=b;i++)
  5. #include<iostream>
  6. #include<cstdio>
  7. #include<vector>
  8. #include<cstdlib>
  9. #include<cmath>
  10. #include<string.h>
  11. #include<algorithm>
  12. #include<map>
  13. #include<set>
  14. using namespace std;
  15. typedef long long ll;
  16. typedef pair<int, int> ii;
  17.  
  18. int main()
  19. {
  20. 	// #ifndef ONLINE_JUDGE
  21.      //freopen("in.txt","r",stdin);
  22.     //freopen("ina.txt","w",stdout);
  23.     // #endif
  24.  
  25. 	ll n,m,p;
  26. 	sl(n);sl(m);sl(p);
  27.  
  28.  
  29. 	pair<ll,ll> a[p];
  30.  
  31.  
  32. 	for(ll i=0;i<p;i++)
  33. 	{
  34. 		ll x,y;
  35. 		sl(x);sl(y);
  36. 		a[i].first=x-1;
  37. 		a[i].second=y-1;
  38.  
  39. 	}
  40.  
  41. 	if(m==1)
  42. 	{
  43. 		for(int i=0;i<n;i++)
  44. 		cout<<"0\n";
  45. 	}
  46.  
  47. 	else
  48. 	{
  49.  
  50. 	sort(a,a+p);
  51.  
  52.     cout<<"";
  53. 	ll curr=0;
  54. 	for(ll i=0;i<n;i++)
  55. 	{
  56. 		ll z[m];
  57. 		memset(z,0,sizeof(z));
  58.  
  59.  
  60.  
  61. 		while((a[curr].first==i)&&curr!=p)
  62. 		{
  63. 			z[a[curr].second]++;
  64.  
  65. 			curr++;
  66. 		}
  67. 	/*	for(int it=0;it<m;it++)
  68. 		{
  69. 			cout<<z[it];
  70. 		} 
  71. 		cout<<endl;*/
  72. 		 int flag=0;
  73. 		for(ll j=m;j>0;j--)
  74. 		{
  75. 			if(z[j-1]-z[j]>1)
  76. 			{
  77. 				flag=1;
  78. 				break;
  79. 			}
  80. 		}
  81.  
  82.  
  83. 			if(flag==1)
  84. 			printf("-1\n");
  85. 			else
  86. 			{
  87. 				pln(m+z[m-1]-(1+z[0]));
  88. 			}
  89. 	 }
  90.  
  91. }
  92. 	return 0;
  93. }
Success #stdin #stdout 0s 3304KB
comments (?)
stdin
copy 
4 4 6
2 2
3 2 
3 2 
4 3
4 4
4 3
stdout
copy 
3
3
-1
4
https://ideone.com/Gjc0OT
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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