实验4 BC E File Edit Search Run Compile Debug Project Options Window Help E6-3. CPP #include <stdio.h> ize/Mou Ctrl+F5 VO id maln Cascade Tile Next float s, sum. ave Close Alt+F3 Close all Message Output Watch User screen Alt +F5 scanf( d".&n) Register P while (i<=n) Project notes scanf( f". &s) List all Alt +0 sum=sum+s j Me: r[l] Output 3=[1] 「 F1 Help↑↓ Scroll实验4