Add 05121.cpp

Author: Hiyabye

05xxx/05121.cpp

@@ -0,0 +1,27 @@
+#include <algorithm>
+#include <iostream>
+#include <vector>
+using namespace std;
+
+void solve(int idx) {
+  int n, w; cin >> n >> w;
+  vector<int> s(n+1);
+  for (int i=1; i<=n; i++) cin >> s[i];
+  for (int i=1; i<=n; i++) s[i] += s[i-1];
+
+  int mn = 1e9, mx = -1e9;
+  for (int i=w; i<=n; i++) {
+    mn = min(mn, (s[i]-s[i-w]) / w);
+    mx = max(mx, (s[i]-s[i-w]) / w);
+  }
+  cout << "Data Set " << idx << ":\n" << mx-mn << "\n\n";
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  int k; cin >> k;
+  for (int i=1; i<=k; i++) solve(i);
+  return 0;
+}