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Submission #647154

# Submission time Handle Problem Language Result Execution time Memory
647154 2022-10-01T16:59:51 Z Alma Akcija (COCI21_akcija) C++14
0 / 110
 751 ms 524288 KB 
#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second
using ll = long long;
using ii = pair<int,int>;

const int INF = 1e9;
const ll LLINF = 1e18;
using vi = vector<int>;
using vvi = vector<vi>;

void setIO (string fileName) {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    if (fileName != "std") {
        freopen((fileName + ".in").c_str(), "r", stdin);
        freopen((fileName + ".out").c_str(), "w", stdout);
    }
}

int n, k;
vector<ii> ans, gifts;

// bool comp(ii& a, ii& b) {
// 	if (a.fi == b.fi) return a.se < b.se;
// 	return a.fi > b.fi;
// }

void bt (int i, int cnt, int val) {
	if (i == n) {
		// cerr << cnt << ' ' << val << '\n';
		ans.push_back({-cnt, val});
		return;
	}
	// cerr << i << ' ' << cnt << '\n';
	bt(i+1, cnt, val);
	if (gifts[i].fi <= cnt) return;
	bt(i+1, cnt+1, val+gifts[i].se);
}

int main() {
    setIO("std");

	cin >> n >> k;
	gifts = vector<ii>(n);
	for (ii& par: gifts) cin >> par.se >> par.fi;
	sort(gifts.begin(), gifts.end());

	bt(0, 0, 0);
	sort(ans.begin(), ans.end());
	for (int i = 0; k > 0 and i < (int)ans.size(); i++, k--) {
		cout << -ans[i].fi << ' ' << ans[i].se << '\n';
	} 
	while (k > 0) {
		cout << "0 0\n";
		k--;
	}

    return 0;
}

Compilation message

Main.cpp: In function 'void setIO(std::string)':
Main.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen((fileName + ".in").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen((fileName + ".out").c_str(), "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 751 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 751 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 729 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 66 ms 4560 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Runtime error 742 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Runtime error 751 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -