在一个二维数组中,每一行都按照从左到右递增的顺序排列,每一列都按照从上到下递增的排列,请完成一个函数,输入这样的二维数组和一个整数,判断数组中是否有该整数,如果有返回true,没有返回false
#include<iostream>
#include<string>
#include<cstring>
using namespace std;
bool func(int nums[][10],int val,int row_len,int col_len){
if(row_len <=0 || col_len <=0){ return false;}
int i =0,j = col_len -1;
while(i <row_len && j >=0){
if(nums[i][j]==val) return true;
if(val < nums[i][j]){
j--;
}else{
i++;
j = col_len-1;
}
}
return false;
}
int main(){
int nums[][10] = {{1,2,3,4,5},{2,3,4,5,6},{3,4,5,6,7},{4,5,6,7,8},{5,6,7,8,9}};
cout<<func(nums,10,5,5);
return 0;
}