Create Solution.cpp

Author: goodday451999

Assignment 2/Solution.cpp

@@ -0,0 +1,48 @@
+#include <cmath>
+#include <cstdio>
+#include <vector>
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+
+int main() {
+    int n;
+    cin >> n;
+    
+    double a, b;
+    cin >> a >> b;
+    double shooterX[n+2];
+    double shooterY[n+2];
+    shooterX[0] = a;
+    shooterY[0] = b;
+    
+    double bomberX[n+2];
+    double bomberY[n+2];
+    for(int i = 0 ; i < n+1; i++){
+        cin >> bomberX[i] >> bomberY[i];
+    }
+    
+    double vel = 20;
+    double dist;
+    int check = 1;
+    for(int i = 0; i < n ; i++){
+        dist = sqrt(pow(bomberX[i]-shooterX[i], 2)+pow(bomberY[i]-shooterY[i], 2));
+        if(dist < 10){
+                check=0;
+                cout << i << endl;
+                printf("%.2f", dist);
+                break;
+        }
+        shooterX[i+1]=shooterX[i]+vel*((bomberX[i]-shooterX[i])/dist);
+        shooterY[i+1]=shooterY[i]+vel*((bomberY[i]-shooterY[i])/dist);
+    }
+    // for(int i = 0 ; i <= n+1; i++){
+    //     cout << shooterX[i] << " " << shooterY[i] << endl;
+    // }
+    if(check == 1)
+    {
+        cout << -1 << endl;
+    }
+    return 0;
+}