Submission #1012803

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1012803	2024-07-02 15:56:11	ttamx	Wombats (IOI13_wombats)	C++17	100 / 100	3044 ms	196536 KiB

wombats

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#include "wombats.h"
#include <bits/stdc++.h>
using namespace std;
const int N=5005;
const int M=205;
const int B=10;
const int K=1<<10;
const int INF=1e9;
int n,m,b;
int h[N][M],v[N][M];
struct Matrix:array<array<int,M>,M>{
    Matrix(){
        for(int i=0;i<M;i++)for(int j=0;j<M;j++)(*this)[i][j]=INF;
        for(int i=0;i<M;i++)(*this)[i][i]=0;
    }
    friend Matrix operator*(const Matrix &a,const Matrix &b){
        Matrix res;
        array<array<int,M>,M> opt;
        for(int i=1;i<=m;i++)opt[i][0]=1;
        for(int i=1;i<=m;i++)opt[m+1][i]=m;
        for(int i=m;i>=1;i--){
            for(int j=1;j<=m;j++){
                res[i][j]=INF;
                for(int k=opt[i][j-1];k<=opt[i+1][j];k++){
                    int val=a[i][k]+b[k][j];
                    if(val<res[i][j]){
 
 
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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;
      |      ^~~

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