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P1079 Vigenère 密码

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R41008851
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Baoshuo Ren 2020-11-01 15:54:30 +08:00 committed by Baoshuo Ren
parent 5bbc2ca861
commit 19922acd32
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 20 additions and 0 deletions
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problem/P1079/P1079.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
int main() {
string k, c;
int t = 0;
cin >> k >> c;
for (int i = 0; i < c.size(); i++) {
t = (k[i % k.size()] & 31) - 1;
if((c[i] & 31) - t > 0) {
c[i] = c[i] - t;
}
else {
c[i] = c[i] - t + 26;
}
}
cout << c << endl;
return 0;
}