Submission #104772

#	Time	Username	Problem	Language	Result	Execution time	Memory
104772		ekrem	Palembang Bridges (APIO15_bridge)	C++98	0 / 100	4 ms	2176 KiB

bridge

#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define inf 1000000007
#define N 105
using namespace std;

typedef long long ll;

ll n, x, y, ans, a[N], pre[N], dp[N][20*N];

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	scanf("%lld %lld %lld",&n ,&x ,&y);
	for(int i = 1; i <= n; i++){
		scanf("%lld",a + i);
		pre[i] = pre[i - 1] + a[i];
	}
	for(int i = 0; i < N; i++)
		for(int j = 0; j < 20*N; j++)
			dp[i][j] = inf;
	dp[0][0] = 0;
	for(int i = 1; i <= n; i++)
		for(int j = 0; j < i; j++)
			for(int k = 0; k < 20*N; k++)
				dp[i][k|(pre[i] - pre[j])] = min(dp[i][k|(pre[i] - pre[j])], dp[j][k] + 1);
	for(int i = 0; i < 20*N; i++)
		if(dp[n][i] <= y){
			printf("%d\n", i);
			return 0;
		}
	return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld %lld %lld",&n ,&x ,&y);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridge.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",a + i);
   ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37