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Compilation error #stdin compilation error #stdout 0s 0KB
stdin
4 1
1 2
2 3 
2 4
1 3
compilation info
/usr/lib/gcc/i486-linux-gnu/4.8/../../../i386-linux-gnu/crt1.o: In function `_start':
(.text+0x18): undefined reference to `main'
collect2: error: ld returned 1 exit status
stdout
Standard output is empty