运行此代码时,我得到:
prog.cpp:67:33: error: cannot convert ‘int (*)[n][m]’ to ‘int
(*)[100000]’ for argument ‘4’ to ‘int calculateP(int, int, int, int
(*)[100000])’
cout << calculateP(l,n,m,&a) << endl;
我尝试做很多事情,但它们无济于事,该错误仍然存在。希望快速获得有关如何消除此错误的信息。
#include <iostream>
using namespace std;
int flr(int k){
return (k-(k%2))/2;
}
int getPalindrome(int l, int x , int y, int b[100000][100000]){
int num = 0;
if(b[x-1][y] == b[x][y-1]){
for(int n = 2; n < l+2; n+=2){
if(b[x-n][y] != b[x][y-n]){
return num;
}else{
if(b[x+n][y] != b[x][y+n]){
return num;
}else{
num ++;
}
}
}
return num;}
else if(b[x-1][y] == b[x][y+1]){
for(int n = 2; n < l+2; n+=2){
if(b[x-n][y] != b[x][y+n]){
return num;
}else{
if(b[x+n][y] != b[x][y-n]){
return num;
}else{
num ++;
}
}
}
return num;
}
else{return num;}
}
int calculateP(int l, int n, int m, int a[][100000]){
int pairs = n*m;
for(int x = l; x < n-l; x++){
for(int y = l; y < m-l; y++){
pairs += getPalindrome(l,x,y,a);
}
}
return pairs;
}
int main() {
int t;
cin >> t;
while(t--){
int n, m, l;
cin >> n >> m;
if(n < m){l = flr(n-1);}
else{l = flr(m-1);}
int a[n][m];
for(int i = 0; i< n; i++){
for(int j = 0; j< m; j++){cin >> a[i][j];}
}
cout << calculateP(l,n,m,a) << endl;
}
}
最佳答案
使用2d数组作为函数参数应该做的不同;
查看此正确的代码,然后尝试像这样更改您的代码:
#define row_max 10
#define col_max 10
//you must know the size of array (row_max , col_max)
void foo(int (*mArray)[row_max][col_max]){
//work with array this way :
(*mArray)[2][2] = 10;
}
void main(void){
int myarray[row_max][col_max] = {0};
foo(&myarray);
}