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矩阵WA的:一定要注意取模的问题inline void Read(Mat &A){
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++){
scanf("%d",&A.a[i][j]);
A.a[i][j]%=m;
}
}
在读入的时候要记得取个模
否则会WA
inline void Print(Mat &A){
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
if(i==j)A.a[i][j+n]--;
// while(A.a[i][j+n]<0)A.a[i][j+n]+=m;
//在这里取不取模均可,(虽然不取模会导致出现负数)
if(j==1)printf("%d",A.a[i][j+n]);
else printf(" %d",A.a[i][j+n]);
}
printf("\n");
}
}
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