feat(usaco): add usaco dir, first two problems

- test problem
- first real problem (yourride)

Author: Jessica Yung

usaco/section-1/section-1.1/1-submitting-solutions.cpp

@@ -0,0 +1,20 @@
+/*
+ID: jessica41
+PROG: test
+LANG: C++
+*/
+#include <iostream>
+#include <fstream>
+#include <string>
+
+using namespace std;
+
+int main() {
+    ofstream fout ("test.out");
+    ifstream fin ("test.in");
+    int a, b;
+    fin >> a >> b;
+    fout << a+b << endl;
+    return 0;
+}
+

usaco/section-1/section-1.1/2-your-ride.cpp

@@ -0,0 +1,44 @@
+/*
+ID: jessica41
+PROG: ride
+LANG: C++11
+*/
+#include <iostream>
+#include <fstream>
+#include <algorithm>
+#include <string>
+
+using namespace std;
+
+int main() {
+    ofstream fout ("ride.out");
+    ifstream fin ("ride.in");
+    string comet_name, group_name;
+    int comet_prod = 1;
+    int group_prod = 1;
+    fin >> comet_name >> group_name;
+    //cin >> comet_name >> group_name;
+    cout << "comet_name: " << comet_name << endl;
+    cout << "group_name: " << group_name << endl;
+    string outcome;
+    transform(comet_name.begin(), comet_name.end(), comet_name.begin(), ::tolower);
+    transform(group_name.begin(), group_name.end(), group_name.begin(), ::tolower);
+    for (int i = 0; i < group_name.size(); ++i) {
+        group_prod *= int(group_name[i])%96;
+    }
+    for (int i = 0; i < comet_name.size(); ++i) {
+        comet_prod *= int(comet_name[i])%96;
+    }
+    cout << "comet_prod: " << comet_prod << endl;
+    cout << "group_prod: " << group_prod << endl;
+    if (group_prod % 47 == comet_prod % 47) {
+        outcome = "GO";
+    }
+    else {
+        outcome = "STAY";
+    }
+    fout << outcome << endl;
+    cout << outcome << endl;
+    return 0;
+}
+