Submission #108193

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
108193	2019-04-28 03:06:24	ihdignite	Wombats (IOI13_wombats)	C++14	9 / 100	3333 ms	172632 KiB

wombats

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#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+1];
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(o, 0, 4*c);
  for(int j1=0; j1<c; ++j1) {
 
 
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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:65:1: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
 }
 ^
wombats.cpp:65:1: warning: assuming signed overflow does not occur when assuming that (X + c) >= X is always true [-Wstrict-overflow]
wombats.cpp:65:1: 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: 0 / 12
• Subtask 3: 0 / 16
• Subtask 4: 0 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24