程序運(yùn)行結(jié)果出錯(cuò)
sum明明在前面賦值了 ?為什么運(yùn)行結(jié)果是sum=2sum=-1sum=3sum=-2sum=4sum=-3sum=5sum=-4sum=6sum=-5sum=7sum=-6sum=8sum=-7sum=9sum=-8sum=10sum=-9sum=11sum=-10sum=12sum=-11sum=13sum=-12sum=14sum=-13sum=15sum=-14sum=16sum=-15sum=17sum=-16sum=18sum=-
2015-10-09
你代碼是怎么寫的？