Submission #942426

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Source Code Expand

#include <cstdio>
#include <numeric>
#include <iostream>
#include <vector>
#include <set>
#include <cstring>
#include <string>
#include <map>
#include <cmath>
#include <ctime>
#include <algorithm>
#include <bitset>
#include <queue>
#include <sstream>
#include <deque>

using namespace std;

#define mp make_pair
#define pb push_back
#define rep(i,n) for(int i = 0; i < (n); i++)
#define re return
#define fi first
#define se second
#define sz(x) ((int) (x).size())
#define all(x) (x).begin(), (x).end()
#define sqrt(x) sqrt(abs(x))
#define y0 y3487465
#define y1 y8687969
#define fill(x,y) memset(x,y,sizeof(x))
#define prev PREV
#define next NEXT
                         
typedef vector<int> vi;
typedef long long ll;
typedef long double ld;
typedef double D;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<string> vs;
typedef vector<vi> vvi;

template<class T> T abs(T x) { re x > 0 ? x : -x; }
template<class T> inline T sqr (T x) { re x * x; }

#define filename ""

int n;
int m;

int main () {
	scanf ("%d%d", &n, &m);
	int sum = 0, top = 0;
	for (int i = 0; i < m; i++) {
		int x;
		scanf ("%d", &x);
		sum += x;
		top = max (top, x);
	}
	if (top > (sum - top) + 1) printf ("%d\n", top - (sum - top + 1)); else printf ("0\n");
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:52:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d%d", &n, &m);
                        ^
./Main.cpp:56:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf ("%d", &x);
                   ^

Judge Result