init commit

contests/5contest/4.cpp

@@ -0,0 +1,26 @@
+#include <map>
+#include <iostream>
+
+int main() {
+    long long mod = 4294967161;
+
+    std::map<std::pair<long long, long long>, long long> mp;
+
+    long long r, c, v;
+    while (std::cin >> r >> c >> v) {
+        if (!r && !c && v == mod) break;
+
+        mp[std::make_pair(r, c)] = v;
+    }
+
+    while (std::cin >> r >> c >> v) {
+        mp[std::make_pair(r, c)] += v;
+        mp[std::make_pair(r, c)] %= mod;
+    }
+
+    for (auto x : mp) {
+        if (x.second) std::cout << x.first.first << " " << x.first.second << " " << x.second << std::endl;
+    }
+
+    return 0;
+}