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author | tomsmeding <tom.smeding@gmail.com> | 2017-12-02 09:30:07 +0100 |
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committer | tomsmeding <tom.smeding@gmail.com> | 2017-12-02 09:30:07 +0100 |
commit | 2c1dccf57d7ad5e25e79063dea41fd7bfa9d9ac6 (patch) | |
tree | 6c36355ef1a475f2b7cf388402afc96a16588d3d /2016/5a.c | |
parent | 2d02f553aa4cc4ded630628eccdf34f55937cee5 (diff) |
Move 2016 to its own folder
Diffstat (limited to '2016/5a.c')
-rw-r--r-- | 2016/5a.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/2016/5a.c b/2016/5a.c new file mode 100644 index 0000000..d8bbd7f --- /dev/null +++ b/2016/5a.c @@ -0,0 +1,25 @@ +#include <stdio.h> +#include <stdbool.h> +#include <openssl/md5.h> + +int main(void){ + int counter=0; + char inbuf[100]; + unsigned char outbuf[16]; + int prelen; + scanf("%s%n",inbuf,&prelen); + + for(int i=0;i<8;i++){ + while(true){ + int len=prelen+sprintf(inbuf+prelen,"%d",counter); + counter++; + MD5((const unsigned char*)inbuf,len,outbuf); + if(outbuf[0]==0&&outbuf[1]==0&&(outbuf[2]>>4)==0){ + putchar("0123456789abcdef"[outbuf[2]&0xf]); + fflush(stdout); + break; + } + } + } + putchar('\n'); +} |