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1 2 -> -1 | |
1 3 -> -1 | |
1 4 -> -1 | |
1 5 -> -1 | |
1 6 -> -1 | |
1 7 -> -1 | |
1 8 -> -1 | |
1 9 -> -1 | |
1 10 -> -1 | |
1 11 -> -1 |
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#include<bits/stdc++.h> | |
#define rep(i,a,b) for(int i=a;i<b;i++) | |
#define rrep(i,a,b) for(int i=a;i>=b;i--) | |
#define fore(i,a) for(auto &i:a) | |
#define all(x) (x).begin(),(x).end() | |
//#pragma GCC optimize ("-O3") | |
using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } | |
typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; | |
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; } | |
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; } |
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from Crypto.Cipher import ARC4 | |
with open('logo.png') as f: | |
rowdata = f.read() | |
key = rowdata[0:0x20] | |
enc = rowdata[0x20:] | |
cipher = ARC4.new(key) | |
dec = cipher.decrypt(enc) |