All tasks are done!

2025.03.14/02Ex/solve.c

@@ -0,0 +1,28 @@
+#include "solve.h"
+#include <math.h>
+
+#define eps 1e-9
+
+int compare(const double a, const double b)
+{
+	if (a - b > eps) return 1;
+	else if (b - a > eps) return -1;
+	return 0;
+}
+
+double t2_solve(double *a, int n, int m)
+{
+	int i, j;
+	double cur = 0, maximum = 0;
+	if (m > 0)
+		for (i = 0; i < n; i++) maximum += fabs(a[i * m]);
+	for (j = 1; j < m; j++)
+	{
+		cur = 0;
+		for (i = 0; i < n; i++)
+			cur += fabs(a[i * m + j]);
+		if (compare(cur, maximum) == 1) maximum = cur;
+	}
+
+	return maximum;
+}