initial commit

116A Tram/116A.cpp

@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+using namespace std;
+using ll = long long;
+
+void solve()
+{
+    int n,a,b,min=0,p=0;
+    cin>>n;
+    while(n--)
+    {
+        cin>>a>>b;
+        p=p-a+b;
+        if(p>min) min=p;
+    }
+    cout<<min<<endl;
+}
+
+int main()
+{
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int TC = 1;
+    //cin >> TC;
+    while (TC--) solve();
+}