accepted

Author: AnneLivia

Online Judges/Neps Academy/Troca_OBI2018.cpp

@@ -0,0 +1,40 @@
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+int main() {
+ int n, t, a, b;
+ cin >> n >> t; 
+ // side 1 = up, 0 = down
+ vector<int>up(n, 0), down(n, 0), side(n, 1);
+ for (int i = 0; i < n; i++)
+ {
+ cin >> up[i];
+ }
+
+ for (int i = 0; i < n; i++)
+ {
+ cin >> down[i];
+ }
+ 
+ while(t--) {
+ cin >> a >> b;
+ --a; --b;
+ for (int i = a; i <= b; i++) {
+ side[i] = !side[i];
+ }
+ }
+
+ for (int i = 0; i < n; i++)
+ {
+ if (i != 0)
+ cout << " ";
+ if (side[i]) 
+ cout << up[i];
+ else
+ cout << down[i];
+ }
+ cout << endl;
+ return 0; 
+}