Accepted
/in/foo.cc: In function 'void pri()':
/in/foo.cc:21:16: warning: left operand of comma operator has no effect [-Wunused-value]
for(int j=1;j<=cnt,i*p[j]<=n;j++){
~^~~~~
/in/foo.cc: In function 'void pri()':
/in/foo.cc:21:16: warning: left operand of comma operator has no effect [-Wunused-value]
for(int j=1;j<=cnt,i*p[j]<=n;j++){
~^~~~~
