Submission #108184

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
108184	2019-04-28 00:24:10	ihdignite	Wombats (IOI13_wombats)	C++14	100 / 100	4320 ms	175196 KiB

wombats

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "wombats.h"
#include <bits/stdc++.h>
using namespace std;
const int r=5e3, c=200, bs=10, bc=r/bs, sts=1024;
int h[r][c-1], v[r][c], st[sts][c][c], o[c][c];
void upd(int l1, int r1, int i=1, int l2=0, int r2=bc-1) {
  if(l2==r2) {
    memset(st[i], 0x3f, sizeof(st[i]));
    for(int j=0; j<c; ++j) {
      st[i][j][j]=0;
      for(int k=l2*bs; k<(l2+1)*bs; ++k) {
        for(int l=1; l<c; ++l)
          st[i][j][l]=min(st[i][j][l-1]+h[k][l-1], st[i][j][l]);
        for(int l=c-1; l; --l)
          st[i][j][l-1]=min(st[i][j][l]+h[k][l-1], st[i][j][l-1]);
        for(int l=0; l<c; ++l)
          st[i][j][l]+=v[k][l];
      }
    }
    return;
  }
  int m2=(l2+r2)/2;
  if(l1<=m2)
    upd(l1, r1, 2*i, l2, m2);
  if(m2<r1)
    upd(l1, r1, 2*i+1, m2+1, r2);
  memset(st[i], 0x3f, sizeof(st[i]));
  for(int j1=0; j1<c; ++j1) {
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
  int res;
      ^~~
wombats.cpp: In function 'void upd(int, int, int, int, int)':
wombats.cpp:74:1: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
 }
 ^
wombats.cpp:74:1: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
wombats.cpp:74:1: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
wombats.cpp:8:6: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
 void upd(int l1, int r1, int i=1, int l2=0, int r2=bc-1) {
      ^~~
wombats.cpp:8:6: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
wombats.cpp:8:6: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 16 / 16
• Subtask 4: 18 / 18
• Subtask 5: 21 / 21
• Subtask 6: 24 / 24