Submission #505222

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
505222	2022-01-11 01:31:28	jhnah917	Wombats (IOI13_wombats)	C++14	100 / 100	6038 ms	229172 KiB

wombats

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#include "wombats.h"
#include <bits/stdc++.h>
using namespace std;
int n, m, q;
int h[5050][222];
int v[5050][222];
struct Node{
    Node *l, *r;
    int data[222][222];
    Node() : l(0), r(0) {
        memset(data, 0, sizeof data);
    }
};
void merge(int a[222][222], int b[222][222], int c[222][222]){ //a = b + c
    int K[222][222] = {0};
    for(int d=1-m; d<m; d++){
        for(int i=1; i<=m; i++){
            int j = i + d;
            if(j < 1 || j > m) continue;
            a[i][j] = 1e9+7;
            int l = K[i][j-1] ? K[i][j-1] : 1;
            int r = K[i+1][j] ? K[i+1][j] : m;
            for(int k=l; k<=r; k++){
                if(a[i][j] > b[i][k] + c[k][j]) a[i][j] = b[i][k] + c[k][j], K[i][j] = k;
            }
        }
    }
 
 
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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]
   15 |  int res;
      |      ^~~
wombats.cpp: In function 'Node* build(int, int)':
wombats.cpp:59:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   59 |     int m = s + e >> 1;
      |             ~~^~~
wombats.cpp: In function 'void update(Node*, int, int, int, int)':
wombats.cpp:72:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   72 |     int m = s + e >> 1;
      |             ~~^~~

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