tutorial2.cpp:2:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type]
main(){int n,a[999],m=0,i=0;scanf("%d",&n);for(;i<n;i++){scanf("%d",&a[i]);m=m<a[i]?a[i]:m;}printf("%d",m);}
^
tutorial2.cpp: In function ‘int main()’:
tutorial2.cpp:2:43: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
main(){int n,a[999],m=0,i=0;scanf("%d",&n);for(;i<n;i++){scanf("%d",&a[i]);m=m<a[i]?a[i]:m;}printf("%d",m);}
^
tutorial2.cpp:2:75: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
main(){int n,a[999],m=0,i=0;scanf("%d",&n);for(;i<n;i++){scanf("%d",&a[i]);m=m<a[i]?a[i]:m;}printf("%d",m);}
^
/tmp/ccLZAV8W.o: In function `main':
tutorial2.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/cccVSGtK.o:grader.cpp:(.text.startup+0x0): first defined here
/tmp/cccVSGtK.o: In function `main':
grader.cpp:(.text.startup+0x97): undefined reference to `GetMax(int, int*)'
collect2: error: ld returned 1 exit status
