Submission #2454502

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
#define tr(container, it) \
    for (auto it = container.begin(); it != container.end(); it++)
#define scontains(c, x) ((c).find(x) != (c).end())   //O(log n)
#define contains(c, x) (find((c).begin(),(c).end(),x) != (c).end()) //O(n)
#define ill(_x)  ll _x;scanf("%lld",&_x);
#define idb(_x)  double _x;scanf("%lf",&_x);
#define pll pair<ll,ll>
#define mll map<ll,ll>
#define vll vector<ll>
#define sll set<ll>
#define vs vector<string>
#define in0(x, a, b)((x)>=a && (x)<=b    )
#define in1(x, a, b)((x)>a && (x)<b)
#define  rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end)))
const double pi = 3.14159265358979323846;
const int INF = 0x3f3f3f3f;
const int MOD = (int) (1e9) + 7;

int A[100002];
int B[100002];
map<char,char>m={{'O','0'},{'D','0'},{'I','1'},{'Z','2'},{'S','5'},{'B','8'}};
void _() {
    idb(h);
    idb(bmi);
    cout << setprecision(10) << bmi*(h*h/10000) <<"\n";

};


int main() {
#if __MINGW32__
    freopen("E:\\Workspace\\Desktop\\cpp\\IO\\Input.txt", "r", stdin);
    freopen("E:\\Workspace\\Desktop\\cpp\\IO\\Output.txt", "w", stdout);
#endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    _();
    return 0;

}

Submission Info

Compile Error

./Main.cpp: In function ‘void _()’:
./Main.cpp:10:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define idb(_x)  double _x;scanf("%lf",&_x);
                                            ^
./Main.cpp:27:5: note: in expansion of macro ‘idb’
     idb(h);
     ^
./Main.cpp:10:44: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
 #define idb(_x)  double _x;scanf("%lf",&_x);
                                            ^
./Main.cpp:28:5: note: in expansion of macro ‘idb’
     idb(bmi);
     ^

Judge Result