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rockers.cpp
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rockers.cpp
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/* Use the slash-star style comments or the system won't see your
identification information */
/*
ID: yzylive1
TASK: rockers
LANG: C++
*/
/* LANG can be C++20 or C++14 for those more recent releases */
#include <iostream>
#include <sstream>
#include <iomanip>
#include <fstream>
#include <vector>
#include <algorithm>
#include <cstring>
#include <queue>
#include <set>
#include <string>
#include <map>
#include <cmath>
using namespace std;
ifstream fin ("rockers.in");
ofstream fout ("rockers.out");
int N, T, M;
int songs[30];
int main() {
fin >> N >> T >> M;
for (int i = 0; i < N; i++) {
fin >> songs[i];
}
int maxSongs = 0;
unsigned maxSongBits = (1 << N) - 1;
for (unsigned songBits = 0; songBits <= maxSongBits; songBits++) {
int restDisc = M;
int restT = T;
int currSongs = 0;
for (int songIdx = 0; songIdx < N; songIdx++) {
if (!((1 << songIdx) & songBits)) continue;
int currSongT = songs[songIdx];
while (restT < currSongT && restDisc) {
restDisc--;
restT = T;
}
if (!restDisc) break;
restT -= currSongT;
currSongs++;
}
if (currSongs > maxSongs) maxSongs = currSongs;
}
fout << maxSongs << endl;
return 0;
}