[求助]'<' : unsafe use of type 'bool' in operation新手妹子
#include<stdio.h>void main (){
char c='k';
int i=1,j=2,k=3;
double x =3e+5,y=0.85;
printf("%d%d\n",'a'+5<c,-i-2*j>=k+1);
printf("%d%d\n",i<j<5,x-5.25<=x+y);
printf("%d%d\n",i+j+k=-2*j==k==i+5);
}'<' : unsafe use of type 'bool' in operation
'=' : left operand must be l-value