oj.uz

Submission #862462

# Submission time Handle Problem Language Result Execution time Memory
862462 2023-10-18T09:28:17 Z iskhakkutbilim Olympiads (BOI19_olympiads) C++17
44 / 100
 488 ms 262144 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define ff first
#define ss second
#define all(a) a.begin(), a.end()
const int SCORE = 100;
int n, k, c;
 
int a[501][7];
//int dp[501][7][6*SCORE + 5];
 
 
main(){
   ios::sync_with_stdio(0);
   cin.tie(0); cout.tie(0);
	cin >> n >> k >> c;
	for(int i = 1;i <= n; i++){
		for(int j = 1;j <= k; j++){
			cin >> a[i][j];
		}
	}
	vector<int> sc;
	if(k ==2){
		for(int i = 1;i <= n; i++){
			for(int j = i + 1;j <= n; j++){
				sc.push_back(max(a[i][1], a[j][1]) + max(a[j][2], a[i][2]));
			}
		}
	}else if(k == 1){
		for(int i = 1;i <= n; i++){
			sc.push_back(a[i][1]);
		}
	}else if(k == 6){
		for(int i = 1;i <= n; i++){
			for(int j = i + 1;j <= n; j++){
				for(int ii = j + 1; ii <= n;ii++){
					for(int jj = ii+1; jj <= n; jj++){
						for(int iii = jj + 1; iii <= n; iii++){
							for(int jjj = iii + 1; jjj <= n; jjj++){
								int sum = 0;
								for(int kk = 1;kk <= k; kk++){
									sum+= max({a[i][kk], a[j][kk], a[ii][kk], a[jj][kk], a[iii][kk], a[jjj][kk]});
								}
								sc.push_back(sum);
							}
						}
					}
				}
			}
		}
	}else if(k == 5){
		for(int i = 1;i <= n; i++){
			for(int j = i + 1;j <= n; j++){
				for(int ii = j + 1; ii <= n;ii++){
					for(int jj = ii+1; jj <= n; jj++){
						for(int iii = jj + 1; iii <= n; iii++){
								int sum = 0;
								for(int kk = 1;kk <= k; kk++){
									sum+= max({a[i][kk], a[j][kk], a[ii][kk], a[jj][kk], a[iii][kk]});
								}
								sc.push_back(sum);
							}
						
					}
				}
			}
		}
	}else if(k == 4){
		for(int i = 1;i <= n; i++){
			for(int j = i + 1;j <= n; j++){
				for(int ii = j + 1; ii <= n;ii++){
					for(int jj = ii+1; jj <= n; jj++){
						int sum = 0;
						for(int kk = 1;kk <= k; kk++){
							sum+= max({a[i][kk], a[j][kk], a[ii][kk], a[jj][kk]});
						}
						sc.push_back(sum);
					}
				}
			}
		}
	}else{
		for(int i = 1;i <= n; i++){
			for(int j = i + 1;j <= n; j++){
				for(int ii = j + 1; ii <= n;ii++){
					int sum = 0;
					for(int kk = 1;kk <= k; kk++){
						sum+= max({a[i][kk], a[j][kk], a[ii][kk]  });
					}
					sc.push_back(sum);	
				}
			}
		}
	}
	sort(all(sc));
	reverse(all(sc));
//	for(auto x : sc) cout << x << ' ';
//	cout << '\n';
	cout << sc[c-1];
	return 0;
}

Compilation message

olympiads.cpp:15:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   15 | main(){
      | ^~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1496 KB Output is correct
2 Correct 8 ms 1756 KB Output is correct
3 Correct 5 ms 1496 KB Output is correct
4 Correct 3 ms 1500 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 336 ms 33484 KB Output is correct
2 Correct 324 ms 34224 KB Output is correct
3 Correct 349 ms 33708 KB Output is correct
4 Correct 335 ms 33568 KB Output is correct

Subtask #3
0 / 24.0

# Verdict Execution time Memory Grader output
1 Runtime error 488 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 1496 KB Output is correct
2 Correct 8 ms 1756 KB Output is correct
3 Correct 5 ms 1496 KB Output is correct
4 Correct 3 ms 1500 KB Output is correct
5 Correct 336 ms 33484 KB Output is correct
6 Correct 324 ms 34224 KB Output is correct
7 Correct 349 ms 33708 KB Output is correct
8 Correct 335 ms 33568 KB Output is correct
9 Runtime error 488 ms 262144 KB Execution killed with signal 9
10 Halted 0 ms 0 KB -