100=>1000

main.cpp

@@ -2,7 +2,7 @@
 
 int main() {
     int sum = 0;
-    for (int i = 1; i <= 1000; i++) {
+    for (int i = 1; i <= 100; i++) {
         sum += i;
     }
     std::cout << "The sum of numbers from 1 to 100 is: " << sum << std::endl;