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  1. #include <cstdio>
  2. #include <algorithm>
  3. #include <vector>
  4.  
  5. using namespace std;
  6.  
  7. const int maxn = 1000005;
  8.  
  9. int t[maxn];
  10.  
  11. int n, sum;
  12.  
  13. int main()
  14. {
  15.     scanf("%d", &n);
  16.  
  17.     for(int i = 1; i <= n; i++)
  18.     {
  19.         scanf("%d", &t[i]);
  20.         sum += t[i];
  21.     }
  22.  
  23.     if( sum != 0 )
  24.     {
  25.         printf("YES\n1\n1 %d", n);
  26.         return 0;
  27.     }
  28.  
  29.     int it = 1;
  30.     while( t[it] == 0 )
  31.     {
  32.         it ++;
  33.     }
  34.  
  35.     if( it > n )
  36.     {
  37.         printf("NO");
  38.         return 0;
  39.     }
  40.  
  41.     if( it == n )
  42.     {
  43.         printf("YES\n1\n1 %d", n);
  44.         return 0;
  45.     }
  46.  
  47.     /*int poz = it + 1;
  48.     while( t[poz] == 0 )
  49.     {
  50.         poz ++;
  51.     }
  52.  
  53.     if( poz > n )
  54.     {
  55.         printf()
  56.     }*/
  57.  
  58.     printf("YES\n2\n1 %d\n%d %d", it, it + 1, n);
  59. }
Runtime error #stdin #stdout 0s 7372KB
comments (?)
stdin
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5
0 0 0 0 0
stdout
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Standard output is empty
https://ideone.com/az7ktq
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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