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-rw-r--r--codechef/MaximumWeightDifference/main.cpp32
1 files changed, 32 insertions, 0 deletions
diff --git a/codechef/MaximumWeightDifference/main.cpp b/codechef/MaximumWeightDifference/main.cpp
new file mode 100644
index 0000000..751084c
--- /dev/null
+++ b/codechef/MaximumWeightDifference/main.cpp
@@ -0,0 +1,32 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int sum(vector<int> &v, int start, int end) {
+ int sum = 0;
+ for(int i = start; i < end; i++) {
+ sum += v[i];
+ }
+ return sum;
+}
+
+
+int main() {
+ ios_base::sync_with_stdio(false);
+ cin.tie(NULL);
+ int tt;
+ cin >> tt;
+ while (tt--) {
+ int n, k;
+ cin >> n >> k;
+ vector<int> v(n);
+ for (int &x : v)
+ cin >> x;
+ sort(v.begin(), v.end());
+ if(n == 1) {
+ cout << v[0];
+ } else {
+ cout << sum(v, k, v.size()) - sum(v, 0, k) << endl;
+ }
+ }
+}