这个C++编的有什么错，怎么改

显示全部楼层 · 2013-1-25 12:25:06

#include iostreamint displayScore(int greenBay, int pittsburgh){if (greenBaypittsburgh){std::coutGreen Bay greenBay Pittsburgh pittsburghn;}else{std::coutPittsburgh pittsburgh Green Bay greenBayn;}}int main(){const int TOUCHDOWN = 6;const int FIELD_GOAL = 3;const int EXTRA_POINT = 1;const int SAFETY = 2;int greenBay = 0;int pittsburgh = 0;greenBay = TOUCHDOWN + EXTRA_POINT + TOUCHDOWN + EXTRA_POINT;pittsburgh = FIELD_GOAL;displayScore(greenBay, pittsburgh);greenBay = greenBay + TOUCHDOWN + EXTRA_POINT;pittsburgh = pittsburgh + TOUCHDOWN + EXTRA_POINT + TOUCHDOWN + EXTRA_POINT;displayScore(greenBay, pittsburgh);greenBay = greenBay + TOUCHDOWN + EXTRA_POINT;pittsburgh = pittsburgh + TOUCHDOWN + EXTRA_POINT + EXTRA_POINT;displayScore(greenBay, pittsburgh);greenBay = greenBay + FIELD_GOAL;displayScore(greenBay, pittsburgh);return 0;}赞同0|评论

千问 · 2013-1-25 12:25:06

你的dispalyScore()函数返回的是int型的值，在main函数中没有写哦。。。。displayScore(greenBay, pittsburgh);会出现error C4716: “displayScore”: 必须返回一个值。。这样的错误，两种方法：1 std:: coutdisplayScore(greenBay, pittsburgh);2把displayScore()的返回类型int改为void ，就是不要返回int型的值的意思。赞同0|评论

千问 · 2013-1-25 12:25:06

d赞同0|评论

千问 · 2013-1-25 12:25:06

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