Submission #303014

#	Time	Username	Problem	Language	Result	Execution time	Memory
303014		bigg	Olympiads (BOI19_olympiads)	C++14	0 / 100	2072 ms	34424 KiB

olympiads

#include<bits/stdc++.h>
using namespace std;
const int MAXN = 510;
std::vector<int> allteams;
bool marc[MAXN];
int scores[MAXN][MAXN]; //score do i-esimo cara no j-esimo esporte;
int maxnesse[MAXN];
int n, k;
void backtrack(int numteam, int id){
	if(numteam == k){
		int soma = 0;
		for(int i = 1; i <= k; i++){
			maxnesse[i] = 0;
		}
		for(int i = 1; i <= n; i++){
			if(!marc[i]) continue;
			for(int j = 1; j <= k; j++){
				if(scores[i][j] > maxnesse[j]){
					soma += scores[i][j] - maxnesse[j];
					maxnesse[j] = scores[i][j];
				}
			}
		}
		allteams.push_back(soma);
		return;
	}
	if(id == n + 1) return;
	marc[id] = 1;
	backtrack(numteam + 1, id + 1);
	marc[id] = 0;
	backtrack(numteam, id + 1);
}
int c;
int main(){
	scanf("%d %d %d", &n, &k, &c);
	for(int i = 1; i <= n; i++){
		for(int j = 1; j <= k; j++){
			scanf("%d", &scores[i][j]);
		}
	}
	backtrack(0, 1);
	sort(allteams.begin(), allteams.end());
	printf("%d\n", allteams[n-c] );
}

Compilation message (stderr)

olympiads.cpp: In function 'int main()':
olympiads.cpp:35:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   35 |  scanf("%d %d %d", &n, &k, &c);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
olympiads.cpp:38:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   38 |    scanf("%d", &scores[i][j]);
      |    ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 13
• Subtask 2: 0 / 31
• Subtask 3: 0 / 24
• Subtask 4: 0 / 32