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adjoint.cpp
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53 lines (45 loc) · 1.27 KB
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#include "bits/stdc++.h"
using namespace std;
#define ll long long
#define ull unsigned long long
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define be begin()
#define en end()
#define all(x) (x).begin(),(x).end()
#define out cout<<setprecision(20)
typedef vector<int> vi;
typedef vector<ll> vll;
typedef set<int> si;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MOD = 1e9 + 7;
const int INF = 1e9;
int main(int argc, char* argv[])
{
if(argc == 2 or argc == 3) freopen(argv[1], "r", stdin);
if(argc == 3) freopen(argv[2], "w", stdout);
ios::sync_with_stdio(false);
int a[3][3], b[3][3];
for(int i=0; i<3; i++)
for(int j=0; j<3; j++)
cin>>a[i][j];
b[0][0]= a[1][1]*a[2][2]-a[1][2]*a[2][1];
b[0][1]=-a[1][0]*a[2][2]-a[1][2]*a[2][0];
b[0][2]= a[1][0]*a[2][1]-a[1][1]*a[2][0];
b[1][0]=-a[0][1]*a[2][2]-a[0][2]*a[2][1];
b[1][1]= a[0][0]*a[2][2]-a[0][2]*a[2][0];
b[1][2]=-a[0][0]*a[2][1]-a[0][1]*a[2][0];
b[2][0]= a[0][1]*a[1][2]-a[0][2]*a[1][1];
b[2][1]=-a[0][0]*a[1][2]-a[0][2]*a[1][0];
b[2][2]= a[0][0]*a[1][1]-a[0][1]*a[1][0];
for(int j=0; j<3; j++)
{
for(int i=0; i<3; i++)
printf("%3d ", b[i][j]);
puts("");
}
return 0;
}