058 with bugs

058/main.rs

@@ -1,9 +1,11 @@
 use std::collections::HashSet;
 
+const UP: usize = 100;
+
 //  from../ 027/main.rs
-fn er() -> HashSet<u32> {
+fn er() -> HashSet<usize> {
     let mut nums = Vec::new();
-    let size = 600_000_000;
+    let size = UP;
     for _n in 0..size+1 { nums.push(true); }
     let mut p = 1;
     loop {
@@ -22,7 +24,7 @@ fn er() -> HashSet<u32> {
     }
     let mut res = HashSet::new();
     for i in 2..size {
-        if nums[i] { res.insert(i as u32); }
+        if nums[i] { res.insert(i); }
     }
     return res;
 }
@@ -43,7 +45,7 @@ impl Steps {
         };
     }
 
-    fn next(&mut self, n: u32) -> Option<u32> {
+    fn next(&mut self, n: usize) -> Option<usize> {
         if self.k > self.l {
             self.k = 1;
             self.s += 1;
@@ -72,14 +74,15 @@ impl Steps {
 
 fn main() {
     let mut st = Steps::new();
+    println!("er begin");
     let ps = er();
-    println!("er");
-    return;
+    println!("er end");
+    //return;
     let mut sq = 1;
-    let mut corner_count = 0;
-    let mut p_count = 0;
-    for n in 1..900_000_000 {
-        if n > sq * sq {
+    let mut corner_count = 1;
+    let mut p_count = 1;
+    for n in 1..UP {
+        if n >= sq * sq {
             sq += 1;
         }
         match st.next(n) {
@@ -89,10 +92,9 @@ fn main() {
                 if is_prime {
                     p_count += 1;
                 }
-
-                let ratio = 100.0 * (p_count as f64) /(corner_count as f64);
-                println!("{}.{} \t({})\t[{}]", k, is_prime, sq, ratio);
-                if ratio < 10.0 {
+                println!("{} {} {} {}", n, sq,  corner_count, p_count);
+                if ((p_count as f64) * 100f64 as f64) / (corner_count as f64) < 60f64 {
+                    println!("!!{}", sq);
                     break;
                 }
             },