Merge pull request #507 from xirc/atcoder/abc184

AtCoder/ABC184

Author: xirc

atcoder/abc184/A/main.cpp

@@ -0,0 +1,17 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = int64_t;
+using ff = long double;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    int a, b, c, d;
+    cin >> a >> b >> c >> d;
+    int det = a * d - b * c;
+    cout << det << endl;
+
+    return 0;
+}

atcoder/abc184/B/main.cpp

@@ -0,0 +1,26 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = int64_t;
+using ff = long double;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    int N; ll X;
+    string S;
+    
+    cin >> N >> X >> S;
+    for (auto c : S) {
+        if (c == 'o') {
+            ++X;
+        } else if (c == 'x') {
+            --X;
+            X = max(ll(0), X);
+        }
+    }
+    cout << X << endl;
+
+    return 0;
+}