delete pics to save space

1.1014.cpp

@@ -0,0 +1,18 @@
+#include<cstdio>
+typedef long long LL;
+int main()
+{
+    LL L=1,R,M,n,a;
+    scanf("%lld",&n);
+    R=n;
+    while(L<R)
+    {
+        M=(L+R)/2;
+        if(M*(M+1)/2<n) L=M+1;
+        else R=M;
+    }
+    a=n-L*(L-1)/2;
+    if(L%2==0) printf("%lld/%lld\n",a,L+1-a);
+    else printf("%lld/%lld\n",L+1-a,a);
+    return 0;
+}