new file: P1014.cpp

P1014.cpp

@@ -0,0 +1,16 @@
+#include <cstdio>
+using namespace std;
+int n;
+int main()
+{
+    scanf("%d", &n);
+    int a;
+    for (a = 1; a * (a + 1) / 2 < n; ++a)
+        ;
+    int c = a * (a + 1) / 2 - n;
+    if (a % 2)
+        printf("%d/%d\n", 1 + c, a - c);
+    else
+        printf("%d/%d\n", a - c, 1 + c);
+    return 0;
+}