Submission #54620933

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Source Code Expand

#include <iostream>
#include <fstream>
#include <cstdio>
#include <cmath>
#include <vector>
#include <string>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <deque>
#include <bitset>
#include <algorithm>
#include <complex>
#include <array>
#include <functional>
#include <atcoder/all>
using namespace std;
using namespace atcoder;

#define REP(i,n) for(int i=0; i<n; ++i)
#define FOR(i,a,b) for(int i=a; i<=b; ++i)
#define FORR(i,a,b) for (int i=a; i>=b; --i)
#define ALL(c) (c).begin(), (c).end()

typedef long long ll;
typedef vector<int> VI;
typedef vector<ll> VL;
typedef vector<double> VD;
typedef vector<VI> VVI;
typedef vector<VL> VVL;
typedef vector<VD> VVD;
typedef pair<int,int> P;
typedef pair<ll,ll> PL;

template<typename T> void chmin(T &a, T b) { if (a > b) a = b; }
template<typename T> void chmax(T &a, T b) { if (a < b) a = b; }

int in() { int x; scanf("%d", &x); return x; }
ll lin() { ll x; scanf("%lld", &x); return x; }

using mint = modint998244353;

int main(void) {
    int n, m;
    cin >> n >> m;
    VL a(n), b(m);
    REP(i,n) a[i] = in();
    REP(i,m) b[i] = in();
    sort(ALL(a));
    sort(ALL(b));
    int i = 0;
    ll ans = 0;
    REP(j,m){
        while (i < n && a[i] < b[j]) i++;
        if (i == n) {
            cout << -1 << endl;
            return 0;
        }
        ans += a[i];
        i++;
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Compile Error

Main.cpp: In function ‘int in()’:
Main.cpp:39:24: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   39 | int in() { int x; scanf("%d", &x); return x; }
      |                   ~~~~~^~~~~~~~~~
Main.cpp: In function ‘ll lin()’:
Main.cpp:40:23: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   40 | ll lin() { ll x; scanf("%lld", &x); return x; }
      |                  ~~~~~^~~~~~~~~~~~

Judge Result