Submission #126774

#	Time	Username	Problem	Language	Result	Execution time	Memory
126774		abacaba	Kas (COCI17_kas)	C++14	50 / 100	236 ms	612 KiB

kas

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

const int inf = 2e9;
const int N = 1e3 + 15;
int n, a[N], summ;
int ans = inf;

int main() {
	scanf("%d", &n);
	for(int i = 0; i < n; ++i) {
		scanf("%d", &a[i]);
		summ += a[i];
	}
	for(int mask = 0; mask < (1 << n); ++mask) {
		int sum = 0;
		for(int i = 0; i < n; ++i)
			if((1 << i) & mask)
				sum += a[i];
		for(int s = mask; s; s = ((s - 1) & mask)) {
			int now = 0;
			for(int i = 0; i < n; ++i)
				if((1 << i) & s)
					now += a[i];
			if(now + now == sum)
				ans = min(ans, summ - sum);
		}
	}
	cout << ans + (summ - ans) / 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", &a[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10