質問編集履歴
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コードの全文を提示しました。
test
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File without changes
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test
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@@ -56,9 +56,85 @@
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```
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```c
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#include <stdio.h>
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62
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63
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#include <stdlib.h>
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64
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65
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66
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67
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void PrintMatrix(double **A, int n){
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69
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int i, j;
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double *ai;
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ai = *A;
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for( i = 0 ; i < n ; i++){
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for( j = 0 ; j < n ; j++){
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printf("%6.1f", *(ai+j));
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85
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}
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ai+=n;
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printf("\n");
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}
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}
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int main(void){
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int i = 0, j = 0, N;
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100
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101
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double **A;
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102
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103
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104
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105
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//次元Nをキーボードから入力
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printf("N=");
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scanf("%d", &N);
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113
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//行列A用のメモリを確保
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A = malloc(N*sizeof(double *));
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for(i=0;i<N;i++){
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A[i] = malloc(N*sizeof(double));
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}
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if(A==NULL){
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printf("Cannot allocate memory.\n");
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exit(1);
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}
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//行列Aの要素
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61
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for( i = 0 ; i < N ; i++ ){
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for( i = 0 ; i < N ; i++ ){
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138
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63
139
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for( j = 0 ; j < N ; j++ ){
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140
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@@ -67,6 +143,26 @@
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67
143
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}
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68
144
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69
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}
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146
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147
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148
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149
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//行列Aを表示
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150
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151
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printf("A = \n");
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152
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PrintMatrix(A,N);
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155
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156
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157
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158
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159
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//行列Aメモリを開放
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160
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161
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free(A);
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162
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163
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return 0;
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164
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165
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}
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70
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71
167
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```
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72
168
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