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850天前#include<iostream.h> |
const int smax=50; |
typedef int elemtype; |
struct triple |
{ |
int i,j; |
elemtype v; |
}; |
struct smatrix |
{ |
int m,n,t; |
triple sm[smax+1]; |
}; |
void initmatrix ( smatrix &M ) |
{ |
M.m=M.n=0; |
M.t=0; |
} |
void inputmatrix ( smatrix &M,int m, int n ) |
{ |
M.m=m; |
M.n=n; |
int row,col; |
elemtype val; |
int k=0; |
cin>>row>>col>>val; |
while ( row!=0 ) |
{ |
k++; |
M.sm[k].i=row; |
M.sm[k].j=col; |
M.sm[k].v=val; |
cin>>row>>col>>val; |
} |
M.t=k; |
} |
void outputmatrix ( smatrix &M ) |
{ |
cout<<'('; |
for ( int i=1; i<M.t; i++ ) |
{ |
cout<<'('<<M.sm[i].i<<','; |
cout<<M.sm[i].j<<','; |
cout<<M.sm[i].v<<')'<<','; |
} |
if ( M.t!=0 ) |
{ |
cout<<'('<<M.sm[M.t].i<<','; |
cout<<M.sm[M.t].j<<','; |
cout<<M.sm[M.t].v<<')'; |
} |
cout<<')'<<endl; |
} |
smatrix transpose ( smatrix &M ) |
{ |
smatrix s; |
initmatrix ( s ); |
int m,n,t; |
m=M.m; |
n=M.n; |
t=M.t; |
s.m=n; |
s.n=m; |
s.t=t; |
if ( t==0 ) |
return s; |
int num[smax+1]; |
int cpot[smax+1]; |
for ( int col=1; col<=n; col++ ) |
num[col]=0; |
for ( int k=1; k<=t; k++ ) |
++num[M.sm[k].j]; |
cpot[1]=1; |
for ( col=2; col<=n; col++ ) |
cpot[col]=cpot[col-1]+num[col-1]; |
for ( int p=1; p<=t; p++ ) |
{ |
col=M.sm[p].j; |
int q=cpot[col]; |
s.sm[q].i=M.sm[p].j; |
s.sm[q].j=M.sm[p].i; |
s.sm[q].v=M.sm[p].v; |
++cpot[col]; |
} |
return s; |
} |
void main() |
{ |
smatrix M; |
int m,n; |
initmatrix ( M ); |
cout<<"input M,N:"<<endl; |
cin>>m>>n; |
inputmatrix ( M,m,n ); |
cout<<"m="<<M.m<<','; |
cout<<"n="<<M.n<<','; |
cout<<"t="<<M.t<<endl; |
outputmatrix ( M ); |
cout<<"m="<<M.m<<','; |
cout<<"n="<<M.n<<','; |
cout<<"t="<<M.t<<endl; |
outputmatrix ( transpose ( M ) ); |
} |
by: 发表于：2018-01-25 09:40:35 顶(0) | 踩(0) 回复
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