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codejam.cpp
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codejam.cpp
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#include <iostream>
using namespace std;
void reverse(string s, int x, int y) {
int cost = 0, k;
for (k = 0; k < s.length(); k++) {
if (s[k] != '?') {
break;
}
}
if (k == s.length()) {
if (x < y) {
s[0] = 'C';
} else s[0] = 'J';
}
if (s[0] == '?') {
if (x < 0 || y < 0) {
if (k % 2 == 0)
s[0] = s[k];
else
s[0] = (s[k] == 'C') ? 'J' : 'C';
} else s[0] = s[k];
}
for (int i = 1; i < s.length(); i++) {
if (s[i] == '?') {
if (x < 0 || y < 0) {
s[i] = (s[i - 1] == 'C') ? 'J' : 'C';
if (s[i - 1] == 'C' && s[i] == 'J') {
if (x > 0) {
s[i] = 'C';
}
}
if (s[i - 1] == 'J' && s[i] == 'C') {
if (y > 0) {
s[i] = 'J';
}
}
} else s[i] = s[i - 1];
}
if (s[i - 1] == 'C' && s[i] == 'J') {
cost += x;
} else if (s[i - 1] == 'J' && s[i] == 'C') {
cost += y;
}
}
cout << cost << "\n";
}
int main() {
int caseNo = 1, t;
cin >> t;
while (caseNo <= t) {
int x, y;
string s;
cin >> x >> y >> s;
cout << "Case #" << caseNo << ": ";
reverse(s, x, y);
caseNo++;
}
return 0;
}