Submission #126830

#	Time	Username	Problem	Language	Result	Execution time	Memory
126830		abacaba	Kas (COCI17_kas)	C++14	100 / 100	114 ms	1144 KiB

kas

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

const int inf = 2e9;
const int M = 1e5 + 15;
int n, x, summ, ans = inf;
int dp[2][M];

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

Compilation message (stderr)

kas.cpp: In function 'int main()':
kas.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
kas.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &x);
   ~~~~~^~~~~~~~~~

• 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