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/index.html:
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116 | Sponsors
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152 | Prizes
139 | 140 | 141 |Eligibility
142 |To be eligible for prizes, teams must consist of up to five US high school students. Teams do not have to consist of students from the same high school. Students on the winning teams must complete a verification process to ensure that all members are eligible for prizes. If you graduated this year, you are still eligible for prizes.
143 |1st Place
144 |$500 Amazon gift card
145 |2nd Place 146 |
147 |$300 Amazon gift card
148 |3rd Place 149 |
150 |$200 Amazon gift card
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236 | Practice
237 |
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301 | Sample Challenges
244 |Find the hidden flag for each challenge
245 |
246 |
264 | Cryptography
247 |65 63 7a 76 6a 63 62 75 20 63 7a 20 71 6a 67 69 6d 77 7a 76 20 6c 6a 6d 20 248 | 65 63 249 | 70 74 2e 20 71 71 63 20 76 66 67 61 71 20 66 71 66 20 6f 20 73 64 67 66 20 72 71 70 2c 250 | 20 65 251 | 78 66 65 6d 20 76 76 75 68 20 75 71 6c 67 20 6b 6d 68 20 66 71 62 20 67 6f 65 6e 20 6c 252 | 71 20 253 | 6a 74 73 6d 7a 2e 20 61 20 63 75 20 6b 61 62 67 77 75 61 67 72 20 66 77 73 76 20 67 71 254 | 69 20 255 | 69 74 6a 67 20 69 64 7a 71 20 69 67 20 75 77 6e 6a 71 20 69 7a 6b 61 20 63 62 70 20 6e 256 | 67 77 257 | 20 6c 67 67 71 67 6e 67 20 62 6a 73 20 64 74 6f 63 7a 66 2c 20 6b 74 78 75 6a 20 71 75 258 | 20 68 259 | 74 74 20 73 70 61 79 73 64 20 69 67 20 76 70 67 20 64 64 64 74 6e 6d 6f 2e 20 68 74 74 260 | 20 63 261 | 67 67 20 6b 67 20 75 72 73 70 6a 74 33 6f 77 72 30 76 33 75 2e 262 |
263 |
265 |
296 | Reverse Engineering
266 |267 | import java.util.Scanner; 268 | 269 | 270 | public class SuperSecure { 271 | public static void main(String[] args) { 272 | Scanner in = new Scanner(System.in); 273 | String input = in.next(); 274 | if(input.length() != 10) { 275 | System.out.println("LOL no"); 276 | System.exit(0); 277 | } 278 | String changed = change(input); 279 | if(changed.equals("fvbl}bf334")) { 280 | System.out.println("Awesome!"); 281 | System.out.println("The flag is: " + input); 282 | } else { 283 | System.out.println("LOL no"); 284 | } 285 | } 286 | private static String change(String s) { 287 | char[] temp = new char[10]; 288 | for(int i = 0; i < s.length(); i++) { 289 | temp[i] = (char)(s.charAt(i) + 3); 290 | } 291 | return new String(temp); 292 | } 293 | } 294 |295 |
297 | 
299 |
300 | Recon
298 |
299 |