init

problems/p6/Cargo.toml

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+[package]
+name = "p6"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

problems/p6/src/main.rs

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+fn main() {
+    let mut sum_of_squares = 0;
+    for i in 1..=100 {
+        sum_of_squares += i * i;
+    }
+    let sum: i32 = (1..=100).sum();
+    let squares_of_sum = sum * sum;
+    let difference = squares_of_sum - sum_of_squares;
+    println!("{difference}")
+}