Submission #628187

#TimeUsernameProblemLanguageResultExecution timeMemory
628187I_am_balancingSecret (JOI14_secret)C++17
Compilation error
0 ms0 KiB
#include "secret.h" using ll = long long; int val[12][1005], a[1005], n; void precalc(ll l, ll r, ll la){ ll m = (l+r)>>1; val[la][m] = a[m]; if(l >= r)return; if(l<=m-1)val[la][m-1] = a[m-1]; for(ll i = m+1;i<=r;i++)val[la][i]=Secret(val[la][i-1],a[i]); for(ll i = m-2;i>=l;i--)val[la][i]=Secret(val[la][i+1],a[i]); precalc(l,m-1,la+1); precalc(m+1,r,la+1); } void Init(int N, int A[]){ for(ll i = 0;i<N;i++)a[i] = A[i]; precalc(0,N-1,0); n = N; } int query(int L, int R, ll l = 0, ll r = n-1, ll la = 0){ ll m = (l+r)>>1; printf("mid: %d\n",m); fflush(stdout); if(L <= m && m <= R){ if(L!=m) return Secret(val[la][L],val[la][R]); return val[la][R]; } if(m > L)return query(L,R,l,m,la+1); return query(L,R,m+1,r,la+1); } int Query(int L, int R){ return query(L,R); }

Compilation message (stderr)

secret.cpp: In function 'int query(int, int, ll, ll, ll)':
secret.cpp:23:5: error: 'printf' was not declared in this scope
   23 |     printf("mid: %d\n",m);
      |     ^~~~~~
secret.cpp:2:1: note: 'printf' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
    1 | #include "secret.h"
  +++ |+#include <cstdio>
    2 | using ll = long long;
secret.cpp:24:12: error: 'stdout' was not declared in this scope
   24 |     fflush(stdout);
      |            ^~~~~~
secret.cpp:24:12: note: 'stdout' is defined in header '<cstdio>'; did you forget to '#include <cstdio>'?
secret.cpp:24:5: error: 'fflush' was not declared in this scope
   24 |     fflush(stdout);
      |     ^~~~~~