refresh

exo7.ts

+function multiply(x: number, y: number): number {
+
+    if (y < 0) {
+        x = -x;
+        y = -y;
+    }
+    
+    let result = 0;
+
+    for (let i = 0; i < y; i++) {
+        result += x;
+    }
+    return result;
+}
+
+
+function testMultiply() {
+    const testCases = [
+        [0, 0], [5, 3], [3, 5], [-5, -2], [-2, -5], 
+        [-74, 2], [-1, 75], [10, -25], [10, -3]
+    ];
+    
+    for (const [x, y] of testCases) {
+        console.log(`multiply(${x}, ${y}) = ${multiply(x, y)}`);
+    }
+}
+
+testMultiply();
\ No newline at end of file