Change to spaces.
This commit is contained in:
Michael Zhang
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ec71fb198a
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1433048512
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@ -8,17 +8,17 @@ The directory *must* contain a `problem.json`; this information will be loaded i
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```javascript
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{
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"pid": "survey", // required
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"title": "Survey", // required
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"description": "Take our survey.", // required - can use HTML
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"hint": "No hint!", // optional - defaults to ""
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"category": "Miscellaneous", // required
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"autogen": false, // optional - defaults to false
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"programming": false, // optional - defaults to false
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"value": 20, // required - integer out of 800
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"bonus": 0, // optional - defaults to 0; see below for details
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"threshold": 0, // recommended - defaults to 0; see below for details
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"weightmap": { } // recommended - defaults to {}
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"pid": "survey", // required
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"title": "Survey", // required
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"description": "Take our survey.", // required - can use HTML
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"hint": "No hint!", // optional - defaults to ""
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"category": "Miscellaneous", // required
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"autogen": false, // optional - defaults to false
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"programming": false, // optional - defaults to false
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"value": 20, // required - integer out of 800
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"bonus": 0, // optional - defaults to 0; see below for details
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"threshold": 0, // recommended - defaults to 0; see below for details
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"weightmap": { } // recommended - defaults to {}
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}
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```
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@ -28,8 +28,8 @@ The directory must *also* contain a `grader.py`; this script must contain a `gra
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```python
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{
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"correct": True # or False, indicating whether the answer is correct.
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"message": "Congratulations!" # a custom message for feedback on the website.
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"correct": True # or False, indicating whether the answer is correct.
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"message": "Congratulations!" # a custom message for feedback on the website.
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}
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```
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@ -37,9 +37,9 @@ For the most part, checking in flags will simply be a matter of comparing string
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```python
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def grade(tid, answer):
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if answer.find("csrf_protection_would_probably_have_been_a_good_idea_:/") != -1:
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return { "correct": True, "message": "Indeed." }
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return { "correct": False, "message": "Nope, that's not quite right." }
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if answer.find("csrf_protection_would_probably_have_been_a_good_idea_:/") != -1:
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return { "correct": True, "message": "Indeed." }
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return { "correct": False, "message": "Nope, that's not quite right." }
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```
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You can copy-paste the above example into your grader and make any necessary adjustments. If you were wondering why we don't just compare strings, some problems may warrant a more complicated grader, like the problem H4SH3D from last year:
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@ -48,31 +48,31 @@ You can copy-paste the above example into your grader and make any necessary adj
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import binascii
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def compute(uinput):
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if len(uinput) > 32: return ""
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blen = 32
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n = blen - len(uinput) % blen
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if n == 0:
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n = blen
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pad = chr(n)
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ninput = uinput + pad * n
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r = ""
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for i in range(0, blen, 4):
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s = ninput[i:i+4]
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h = 0
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for j in range(len(s)):
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h = (h << 4) + ord(s[j])
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g = h & 4026531840
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if not(g == 0):
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h ^= g >> 24
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h &= ~g
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r += chr(h % 256)
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h = binascii.hexlify(bytes(r, 'Latin-1'))
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return h
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if len(uinput) > 32: return ""
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blen = 32
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n = blen - len(uinput) % blen
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if n == 0:
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n = blen
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pad = chr(n)
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ninput = uinput + pad * n
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r = ""
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for i in range(0, blen, 4):
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s = ninput[i:i+4]
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h = 0
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for j in range(len(s)):
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h = (h << 4) + ord(s[j])
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g = h & 4026531840
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if not(g == 0):
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h ^= g >> 24
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h &= ~g
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r += chr(h % 256)
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h = binascii.hexlify(bytes(r, 'Latin-1'))
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return h
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def grade(tid, answer):
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if compute(answer) == compute("they_see_me_hashin_they_hatin"):
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return { "correct": True, "message": "They see me hashin' they hatin'" }
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return { "correct": False, "message": "Nope." }
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if compute(answer) == compute("they_see_me_hashin_they_hatin"):
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return { "correct": True, "message": "They see me hashin' they hatin'" }
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return { "correct": False, "message": "Nope." }
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```
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## `static`
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@ -106,20 +106,20 @@ Problem unlocking is managed through a mechanism that involves a threshold and w
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```javascript
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{
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"pid": "launch-code",
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"threshold": 5,
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"weightmap": {
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"php3": 1,
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"faster-math": 1,
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"biggerisbetter": 1,
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"cave-johnson": 1,
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"blackmesa": 1,
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"rsa3": 1,
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"yandere": 1,
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"rsi": 1,
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"adoughbee": 1,
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"infinity_star": 1
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}
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"pid": "launch-code",
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"threshold": 5,
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"weightmap": {
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"php3": 1,
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"faster-math": 1,
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"biggerisbetter": 1,
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"cave-johnson": 1,
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"blackmesa": 1,
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"rsa3": 1,
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"yandere": 1,
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"rsi": 1,
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"adoughbee": 1,
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"infinity_star": 1
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}
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}
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```
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