Submission #875576

---

Source Code Expand

/* DELAPAN.3gp */
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <stack>
#include <algorithm>
#include <utility>
#include <numeric>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cassert>
using namespace std;

#ifdef DEBUG
	#define debug(...) printf(__VA_ARGS__)
	#define GetTime() fprintf(stderr,"Running time: %.3lf second\n",((double)clock())/CLOCKS_PER_SEC)
#else
	#define debug(...) 
	#define GetTime() 
#endif

//type definitions
typedef long long ll;
typedef double db;
typedef pair<int,int> pii;
typedef vector<int> vint;

//abbreviations
#define A first
#define B second
#define MP make_pair
#define PB push_back

//macros
#define REP(i,n) for (int i = 0; i < (n); ++i)
#define REPD(i,n) for (int i = (n)-1; 0 <= i; --i)
#define FOR(i,a,b) for (int i = (a); i <= (b); ++i)
#define FORD(i,a,b) for (int i = (a); (b) <= i; --i)
#define FORIT(it,c) for (__typeof ((c).begin()) it = (c).begin(); it != (c).end(); it++)
#define ALL(a) (a).begin(),(a).end()
#define SZ(a) ((int)(a).size())
#define RESET(a,x) memset(a,x,sizeof(a))
#define EXIST(a,s) ((s).find(a) != (s).end())
#define MX(a,b) a = max((a),(b));
#define MN(a,b) a = min((a),(b));

inline void OPEN(const string &s) {
	freopen((s + ".in").c_str(), "r", stdin);
	freopen((s + ".out").c_str(), "w", stdout);
}

/* -------------- end of DELAPAN.3gp's template -------------- */

char s[111];

int main(){
	scanf("%s", s);
	int n = strlen(s);
	ll x;
	sscanf(s, "%lld", &x);

	ll ans = 0;
	for (int mask = 0; mask < (1 << (n - 1)); ++mask) {
		ll temp = s[0] - '0';
		ll sum = 0;
		for (int i = 1; i < n; ++i) {
			if (mask & 1 << (i - 1)) {
				sum += temp;
				temp = 0;
			}
			temp = temp * 10 + (s[i] - '0');
		}
		sum += temp;
		ans += sum;
	}

	printf("%lld\n", ans);
	
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:65:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%s", s);
                ^

Judge Result