Submission #116039

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
116039	2019-06-10 09:07:26	mosesmayer	Dancing Elephants (IOI11_elephants)	C++17	26 / 100	17 ms	2296 KiB

elephants

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#define nDEBUG
#ifdef DEBUG
#define Printf(...) fprintf(stderr, __VA_ARGS__)
#else
#define Printf(...)
#endif
#include "elephants.h"
#include <bits/stdc++.h>
#define pb push_back
using namespace std;
typedef long long LL;
typedef vector<int> vi;
const int BLCK = 400; // sqrt n
int UPDCNTR = 0;
const int mxsz = 15e4 + 14;
int n;
LL l;
int pos[mxsz], ord[mxsz];
int wbl[mxsz]; // stores wbl block elephant i is in
int NUMBLOCKS;
vi blocks[BLCK+10];
int need[mxsz], nxt[mxsz];
int ans[BLCK+10];
const int DMY = 15e4 + 2;
inline void workBlock(int B){
  int sz = blocks[B].size();
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

elephants.cpp: In function 'void rebuild()':
elephants.cpp:54:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < blocks[B].size(); i++)
                   ~~^~~~~~~~~~~~~~~~~~
elephants.cpp:43:22: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int v = blocks[B][j];
                      ^
elephants.cpp:35:21: note: 'j' was declared here
  for (int i = sz-1, j; i >= 0; --i){
                     ^
elephants.cpp: In function 'int update(int, int)':
elephants.cpp:43:22: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int v = blocks[B][j];
                      ^
elephants.cpp:35:21: note: 'j' was declared here
  for (int i = sz-1, j; i >= 0; --i){
                     ^
elephants.cpp:43:22: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int v = blocks[B][j];
                      ^
elephants.cpp:35:21: note: 'j' was declared here
  for (int i = sz-1, j; i >= 0; --i){
                     ^

• Subtask 1: 10 / 10
• Subtask 2: 16 / 16
• Subtask 3: 0 / 24
• Subtask 4: 0 / 47
• Subtask 5: 0 / 3