upd

kr/1.cpp

@@ -0,0 +1,34 @@
+// #include <iostream>
+#include <vector>
+
+template <typename T>
+size_t incremental_seq(const T& cnt) {
+    int max_len = 0;
+
+    auto iter = cnt.begin();
+
+    int last = *iter;
+    int now = 1;
+    while (iter != cnt.end()) {
+        if (last + 1 == *iter) {
+            ++now;
+        } else {
+            max_len = std::max(max_len, now);
+            now = 1;
+        }
+
+        last = *iter;
+
+        ++iter;
+    }
+
+    return max_len;
+}
+
+
+// int main() {
+//     std::vector v{ 4,1,2,3,4,3,4,5 };
+//     std::cout << incremental_seq(v) << std::endl;
+
+//     return 0;
+// }