Submission #126828

#	Time	Username	Problem	Language	Result	Execution time	Memory
126828		abacaba	Kas (COCI17_kas)	C++14	100 / 100	305 ms	87336 KiB

kas

#include <bits/stdc++.h>
using namespace std;

const int inf = 2e9;
const int M = 1e5 + 15;
const int N = 5e2 + 15;
int n, a[N], summ, ans = inf;
int dp[N][M];

int main() {
	scanf("%d", &n);
	for(int i = 1; i <= n; ++i) {
		scanf("%d", &a[i]);
		summ += a[i];
	}
	for(int i = 1; i <= n; ++i) {
		for(int j = M - 1; j >= 0; --j) {
			if(!j || dp[i-1][j]) {
				dp[i][j + a[i]] = max(dp[i][j + a[i]], dp[i-1][j] + a[i]);
				dp[i][abs(j - a[i])] = max(dp[i][abs(j - a[i])], dp[i-1][j] + a[i]);
				dp[i][j] = max(dp[i][j], dp[i-1][j]);
			}
		}
	}
	cout << summ - dp[n][0] + dp[n][0] / 2;
    return 0;
}

Compilation message (stderr)

kas.cpp: In function 'int main()':
kas.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
kas.cpp:13:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10