oj.uz

Submission #391651

# Submission time Handle Problem Language Result Execution time Memory
391651 2021-04-19T13:07:50 Z maomao90 Arcade (NOI20_arcade) C++14
0 / 100
 1 ms 204 KB 
#include <bits/stdc++.h> 
using namespace std;

#define mnto(x, y) x = min(x, (__typeof__(x)) y)
#define mxto(x, y) x = max(x, (__typeof__(x)) y)
#define REP(i, s, e) for (int i = s; i < e; i++)
#define RREP(i, s, e) for (int i = s; i >= e; i--)
typedef long long ll;
typedef long double ld;
#define MP make_pair
#define FI first
#define SE second
typedef pair<int, int> ii;
typedef pair<ll, ll> pll;
#define MT make_tuple
typedef tuple<int, int, int> iii;
#define ALL(_a) _a.begin(), _a.end()
#define pb emplace_back
typedef vector<int> vi;
typedef vector<ii> vii;

#define INF 1000000005
#define LINF 1000000000000000005
#define MOD 1000000007
#define MAXN 500005

int n, m;
ii ta[MAXN], xy[MAXN];
vi lis;

int main() {
	scanf("%d%d", &n, &m);
	REP (i, 0, m) {
		scanf("%d", &ta[i].FI);
	}
	REP (i, 0, m) {
		scanf("%d", &ta[i].SE);
	}
	REP (i, 0, m) {
		xy[i] = MP(ta[i].FI + ta[i].SE, (ta[i].FI - ta[i].SE));
	}
	sort(xy, xy + n);
	REP (i, 0, m) {
		int upper = lower_bound(ALL(lis), -xy[i].SE) - lis.begin();
		if (upper == lis.size()) {
			lis.pb(-xy[i].SE);
		} else {
			lis[upper] = -xy[i].SE;
		}
	}
	printf("%d\n", (int) lis.size());
	return 0;
}

Compilation message

Arcade.cpp: In function 'int main()':
Arcade.cpp:45:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   if (upper == lis.size()) {
      |       ~~~~~~^~~~~~~~~~~~~
Arcade.cpp:32:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   32 |  scanf("%d%d", &n, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~
Arcade.cpp:34:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   34 |   scanf("%d", &ta[i].FI);
      |   ~~~~~^~~~~~~~~~~~~~~~~
Arcade.cpp:37:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   37 |   scanf("%d", &ta[i].SE);
      |   ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -