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847天前#include <stdio.h> |
#include <stdlib.h> |
int main ( void ) |
{ |
int num[5][3] = {{5, 6, 4}, |
{1, 1, 3}, |
{2, 3, 6}, |
{3, 2, 9}, |
{4, 4, 12} |
}; |
int i, j, k = 1; |
printf ( "sparse matrix：\n" ); |
for ( i = 0; i < 5; i++ ) |
{ |
for ( j = 0; j < 3; j++ ) |
{ |
printf ( "%4d", num[i][j] ); |
} |
putchar ( '\n' ); |
} |
printf ( "\nmatrix还原：\n" ); |
for ( i = 0; i < num[0][0]; i++ ) |
{ |
for ( j = 0; j < num[0][1]; j++ ) |
{ |
if ( k < num[0][2] && |
i == num[k][0] && j == num[k][1] ) |
{ |
printf ( "%4d ", num[k][2] ); |
k++; |
} |
else |
printf ( "%4d ", 0 ); |
} |
putchar ( '\n' ); |
} |
return 0; |
} |
