oj.uz

Submission #677778

# Submission time Handle Problem Language Result Execution time Memory
677778 2023-01-04T11:08:04 Z vjudge1 Fish (IOI08_fish) C++17
0 / 100
 325 ms 45024 KB 
#include <bits/stdc++.h>
#define X first
#define Y second

using namespace std;
typedef long long llint;

const int maxn = 1e6+10;
const int base = 31337;
const int mod = 1e9+7;
const int inf = 0x3f3f3f3f;
const int logo = 22;
const int off = 1 << logo;
const int treesiz = off << 1;

int n, k, m;
pair<int, int> niz[maxn];
int cnt[maxn];
int tour[treesiz];

int mul(int a, int b) {
	a %= m, b %= m;
	return (a * b) % m;
}

void update(int x, int val) {
	x += off;
	tour[x] += val;

	x /= 2;
	while (x > 0) tour[x] = mul(tour[x * 2], tour[x * 2 + 1]), x /= 2;
}

int main() {
	scanf("%d%d%d", &n, &k, &m);
	for (int i = 0; i < n; i++) {
		int a, b;
		scanf("%d%d", &a, &b);
		niz[i] = {a, b};
	}
	sort(niz, niz+n);
	for (int i = 0; i < treesiz; i++) tour[i] = 1;

	int sol = 0;
	int ptr = 0;
	for (int i = 0; i < n; i++) {
		if (i == 0 || niz[i].X != niz[i - 1].X) sol += mul(tour[1], (n - ptr)), sol %= mod;
		update(niz[i].Y, 1);
		while (ptr < n && niz[ptr].X < 2 * niz[i].X) ptr++;
	}
	printf("%d\n", sol);
	return 0;
}

Compilation message

fish.cpp: In function 'int main()':
fish.cpp:35:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |  scanf("%d%d%d", &n, &k, &m);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~
fish.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |   scanf("%d%d", &a, &b);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 33108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 33072 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 33072 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 15 ms 33108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 33108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 17 ms 33080 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 21 ms 33076 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 33232 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 128 ms 37148 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 33108 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 185 ms 39504 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 282 ms 43200 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 7.0

# Verdict Execution time Memory Grader output
1 Incorrect 182 ms 39772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #14
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 269 ms 43052 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #15
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 323 ms 44432 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #16
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 249 ms 42436 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #17
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 285 ms 43772 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #18
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 276 ms 41832 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #19
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 325 ms 45024 KB Output isn't correct
2 Halted 0 ms 0 KB -