Submission #447991

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
447991	2021-07-28 11:54:02	parsabahrami	Fish (IOI08_fish)	C++17	100 / 100	1072 ms	53572 KiB

fish

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/* I do it for the glory */
#include <bits/stdc++.h>
 
using namespace std;
typedef long long int ll;
typedef pair<int, int> pii;
 
#define SZ(x) (int) x.size()
#define F first
#define S second
#define lc id << 1
#define rc lc | 1
const int N = 5e5 + 10;
int lst[N], seg[N << 2], ord[N], A[N], g[N], k, mod, n;
vector<int> vec[N], tmp;
void upd(int p, int id = 1, int l = 1, int r = n + 1) { 
    if (r - l < 2) { seg[id] = (seg[id] + 1) % mod; return; }
    int md = (l + r) >> 1;
    p < md ? upd(p, lc, l, md) : upd(p, rc, md, r);
    seg[id] = 1ll * seg[lc] * seg[rc] % mod;
}
int get(int ql, int qr, int id = 1, int l = 1, int r = n + 1) {
    if (qr <= l || r <= ql || ql >= qr) return 1;
    if (ql <= l && r <= qr) return seg[id];
    int md = (l + r) >> 1;
    return 1ll * get(ql, qr, lc, l, md) * get(ql, qr, rc, md, r) % mod;
 
 
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Compilation message (stderr)

fish.cpp: In function 'int main()':
fish.cpp:34:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   34 |     scanf("%d%d%d", &n, &k, &mod);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
fish.cpp:36:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         scanf("%d%d", &A[i], &g[i]), ord[i] = i;
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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