Submission #924137

#	Time	Username	Problem	Language	Result	Execution time	Memory
924137		pan	Exhibition (JOI19_ho_t2)	C++17	100 / 100	50 ms	5840 KiB

joi2019_ho_t2

#include <bits/stdc++.h>
//#include "bits_stdc++.h"
#include <stdio.h>
#include <algorithm>
#include <memory.h>
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define input(x) scanf("%lld", &x);
#define print(x, y) printf("%lld%c", x, y);
#define show(x) cerr << #x << " is " << x << endl;
#define show2(x,y) cerr << #x << " is " << x << " " << #y << " is " << y << endl;
#define show3(x,y,z) cerr << #x << " is " << x << " " << #y << " is " << y << " " << #z << " is " << z << endl;
#define discretize(x) sort(x.begin(), x.end()); x.erase(unique(x.begin(), x.end()), x.end());
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ld, ll> pd;
typedef pair<string, ll> psl;
typedef pair<ll, ll> pi;
typedef pair<ll, pi> pii;

int main()
{
	ll n, m;
	input(n); input(m);
	vector<pi> pictures(n);
	vector<ll> frames(m);
	for (ll i=0; i<n; ++i) {input(pictures[i].s); input(pictures[i].f);}
	for (ll i=0; i<m; ++i) {input(frames[i]);}
	sort(pictures.begin(), pictures.end(), greater<pi>());
	sort(frames.begin(), frames.end(), greater<ll>());
	ll p = 0;
	ll i = 0;
	for (;i<m; ++i)
	{
		while (p<n && pictures[p].s>frames[i]) p++;
		if (p==n) break;
		p++;
	}
	print(i, '\n');
	return 0;
}

Compilation message (stderr)

joi2019_ho_t2.cpp: In function 'int main()':
joi2019_ho_t2.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
joi2019_ho_t2.cpp:29:2: note: in expansion of macro 'input'
   29 |  input(n); input(m);
      |  ^~~~~
joi2019_ho_t2.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
joi2019_ho_t2.cpp:29:12: note: in expansion of macro 'input'
   29 |  input(n); input(m);
      |            ^~~~~
joi2019_ho_t2.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
joi2019_ho_t2.cpp:32:26: note: in expansion of macro 'input'
   32 |  for (ll i=0; i<n; ++i) {input(pictures[i].s); input(pictures[i].f);}
      |                          ^~~~~
joi2019_ho_t2.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
joi2019_ho_t2.cpp:32:48: note: in expansion of macro 'input'
   32 |  for (ll i=0; i<n; ++i) {input(pictures[i].s); input(pictures[i].f);}
      |                                                ^~~~~
joi2019_ho_t2.cpp:12:23: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define input(x) scanf("%lld", &x);
      |                  ~~~~~^~~~~~~~~~~~
joi2019_ho_t2.cpp:33:26: note: in expansion of macro 'input'
   33 |  for (ll i=0; i<m; ++i) {input(frames[i]);}
      |                          ^~~~~

• Subtask 1: 10 / 10
• Subtask 2: 40 / 40
• Subtask 3: 50 / 50