#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace __gnu_pbds;
using namespace std;
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize ("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define ff first
#define sc second
#define pb push_back
#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define ull unsigned long long
#define all(x) (x).begin(),(x).end()
// #define int long long
// #define int unsigned long long
// #define ordered_set(T) tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>
// #define ordered_multiset(T) tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>
void open_file(string filename) {
freopen((filename + ".in").c_str(), "r", stdin);
freopen((filename + ".out").c_str(), "w", stdout);
}
// const ll mod = 1e9 + 7;
// const ll mod = 998244353;
const ll inf = 1e9;
const ll biginf = 1e18;
const int maxN = 3 * 1e5 + 25;
vector<int> vals;
int n, k, c, arr[505][10];
void one() {
for (int i = 1; i <= n; i++)
vals.pb(arr[i][1]);
}
void two() {
for (int i = 1; i <= n; i++) {
for (int j = i + 1; j <= n; j++) {
int x = max(arr[i][1], arr[j][1]);
int y = max(arr[i][2], arr[j][2]);
vals.pb(x + y);
}
}
}
void three() {
for (int i = 1; i <= n; i++) {
for (int j = i + 1; j <= n; j++) {
for (int k = j + 1; k <= n; k++) {
int x = max({arr[i][1], arr[j][1], arr[k][1]});
int y = max({arr[i][2], arr[j][2], arr[k][2]});
int z = max({arr[i][3], arr[j][3], arr[k][3]});
vals.pb(x + y + z);
}
}
}
}
void four() {
for (int i = 1; i <= n; i++) {
for (int j = i + 1; j <= n; j++) {
for (int k = j + 1; k <= n; k++) {
for (int l = k + 1; l <= n; l++) {
int x = max({arr[i][1], arr[j][1], arr[k][1], arr[l][1]});
int y = max({arr[i][2], arr[j][2], arr[k][2], arr[l][2]});
int z = max({arr[i][3], arr[j][3], arr[k][3], arr[l][3]});
int t = max({arr[i][4], arr[j][4], arr[k][4], arr[l][4]});
vals.pb(x + y + z + t);
}
}
}
}
}
void five() {
for (int i = 1; i <= n; i++) {
for (int j = i + 1; j <= n; j++) {
for (int k = j + 1; k <= n; k++) {
for (int l = k + 1; l <= n; l++) {
for (int m = l + 1; m <= n; m++) {
int x = max({arr[i][1], arr[j][1], arr[k][1], arr[l][1], arr[m][1]});
int y = max({arr[i][2], arr[j][2], arr[k][2], arr[l][2], arr[m][2]});
int z = max({arr[i][3], arr[j][3], arr[k][3], arr[l][3], arr[m][3]});
int t = max({arr[i][4], arr[j][4], arr[k][4], arr[l][4], arr[m][4]});
int c = max({arr[i][5], arr[j][5], arr[k][5], arr[l][5], arr[m][5]});
vals.pb(x + y + z + t + c);
}
}
}
}
}
}
void six() {
for (int i = 1; i <= n; i++) {
for (int j = i + 1; j <= n; j++) {
for (int k = j + 1; k <= n; k++) {
for (int l = k + 1; l <= n; l++) {
for (int m = l + 1; m <= n; m++) {
for (int o = m + 1; o <= n; o++) {
int x = max({arr[i][1], arr[j][1], arr[k][1], arr[l][1], arr[c][1], arr[o][1]});
int y = max({arr[i][2], arr[j][2], arr[k][2], arr[l][2], arr[c][2], arr[o][2]});
int z = max({arr[i][3], arr[j][3], arr[k][3], arr[l][3], arr[c][3], arr[o][3]});
int t = max({arr[i][4], arr[j][4], arr[k][4], arr[l][4], arr[c][4], arr[o][4]});
int c = max({arr[i][5], arr[j][5], arr[k][5], arr[l][5], arr[c][5], arr[o][5]});
int d = max({arr[i][6], arr[j][6], arr[k][6], arr[l][6], arr[c][6], arr[o][6]});
vals.pb(x + y + z + t + c + d);
}
}
}
}
}
}
}
void solve() {
cin >> n >> k >> c;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= k; j++)
cin >> arr[i][j];
if (k == 1) one();
if (k == 2) two();
// if (k == 3) three();
// if (k == 4) four();
// if (k == 5) five();
// if (k == 6) six();
sort(vals.rbegin(), vals.rend());
cout << vals[c - 1];
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr); cout.tie(nullptr);
int t = 1;
// cin >> t;
while (t--) {
solve();
cout << '\n';
}
return 0;
}
Compilation message
olympiads.cpp: In function 'void open_file(std::string)':
olympiads.cpp:26:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
26 | freopen((filename + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
olympiads.cpp:27:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
27 | freopen((filename + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
olympiads.cpp: In function 'void six()':
olympiads.cpp:108:94: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized]
108 | int c = max({arr[i][5], arr[j][5], arr[k][5], arr[l][5], arr[c][5], arr[o][5]});
| ~~~~~~~~^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
992 KB |
Output is correct |
| 2 |
Correct |
5 ms |
992 KB |
Output is correct |
| 3 |
Correct |
3 ms |
1056 KB |
Output is correct |
| 4 |
Correct |
2 ms |
988 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
0 ms |
348 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Runtime error |
1 ms |
604 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
6 ms |
992 KB |
Output is correct |
| 2 |
Correct |
5 ms |
992 KB |
Output is correct |
| 3 |
Correct |
3 ms |
1056 KB |
Output is correct |
| 4 |
Correct |
2 ms |
988 KB |
Output is correct |
| 5 |
Runtime error |
0 ms |
348 KB |
Execution killed with signal 11 |
| 6 |
Halted |
0 ms |
0 KB |
- |
