The statistics in the paragraph are evidence of how Swan has made it his mission to protect Antarctica. What are the actions he has taken that are mentioned in the paragraph?
【简答题】对下面的程序中scanf语句进行修改,使得用户可以以回车、空格、制表符、逗号作为分隔符进行数据的输入,请写出修改后的scanf语句#include main(){int a, b;scanf("%d,%d", &a, &b);printf("a = %d, b = %d\n", a, b);}