Submission #993810

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Source Code Expand

#include <iostream>
#include <fstream>
#include <set>
#include <map>
#include <string>
#include <vector>
#include <bitset>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <cmath>
#include <cassert>
#include <queue>

#define mp make_pair
#define pb push_back


typedef long long ll;
typedef long double ld;

using namespace std;

int n;
int a[220000];

ll solve() {
	ll mx = a[n - 1];
	for (int i = n - 2; i >= 2; --i) {
		mx -= a[i];
		mx = max(mx, -mx);
	}
	return a[0] - a[1] + mx;
}

int main() {
	scanf("%d", &n);
	for (int i = 0; i < n - 1; ++i)
		scanf("%d", a + i);
	int m;
	scanf("%d", &m);
	assert(m <= 10);
	for (int i = 0; i < m; ++i) {
		scanf("%d", a + n - 1);
		printf("%lld\n", solve());
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:37:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
./Main.cpp:39:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + i);
                     ^
./Main.cpp:41:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &m);
                 ^
./Main.cpp:44:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + n - 1);
                         ^

Judge Result