init and a1

DIVSUM/dumb.cpp

@@ -0,0 +1,37 @@
+#include <cstdio>
+#include <iostream>
+#include <cmath>
+
+int main() {
+    int t;
+    std::scanf("%d", &t);
+
+    while (t--) {
+        int n;
+        std::scanf("%d", &n);
+
+        if (n == 1) {
+            std::cout << "0" << std::endl;
+            continue;
+        }
+
+        int total = 1;
+        int r = (int) std::floor(std::sqrt(n));
+
+        for (int n2 = 2; n2 < r + 1; n2++) {
+            if (n % n2 == 0) {
+                int other = n / n2;
+
+                if (other != n)
+                    total += other;
+
+                total += n2;
+            }
+        }
+
+        std::cout << total << std::endl;
+    }
+
+    return 0;
+}
+

DIVSUM/main.py

@@ -0,0 +1,23 @@
+def main():
+    lines: list[str] = []
+    t = int(input())
+    while (t != 0):
+        lines.append(input())
+        t -= 1
+
+    print()
+    for line in lines:
+        n = int(line)
+
+        if n == 1:
+            print(0)
+            continue
+
+        total = 1
+        for n2 in reversed(range(2, n)):
+            total += n2 if n % n2 == 0 else 0
+
+        print(total)
+
+if __name__ == "__main__":
+    main()

DIVSUM/test.py

@@ -0,0 +1,27 @@
+
+d = {1 : 0}
+
+
+def main():
+    lines: list[str] = []
+    t = int(input())
+    while (t != 0):
+        lines.append(input())
+        t -= 1
+
+    print()
+    for line in lines:
+        n = int(line)
+
+        if n == 1:
+            print(0)
+            continue
+
+        total = 1
+        for n2 in reversed(range(2, n)):
+            total += n2 if n % n2 == 0 else 0
+
+        print(total)
+
+if __name__ == "__main__":
+    main()

DIVSUM/timed.cpp

@@ -0,0 +1,36 @@
+#include <cstdio>
+#include <iostream>
+#include <stdlib.h>
+#include <cmath>
+
+
+int main() {
+    int t = 200000;
+    // std::scanf("%d", &t);
+
+    while (t--) {
+        int n;
+        // std::scanf("%d", &n);
+
+        n = std::rand() % 500000 + 1;
+
+        if (n == 1) {
+            std::cout << "0" << std::endl;
+            continue;
+        }
+
+        int total = 1;
+        int r = (int) std::floor(std::sqrt(n));
+
+        for (int n2 = 2; n2 < r + 1; n2++) {
+            if (n % n2 == 0)
+                total += n2 + (n/n2);
+                // std::cout << n2 << std::endl;
+        }
+
+        std::cout << total << std::endl;
+    }
+
+    return 0;
+}
+