oj.uz

Submission #25512

# Submission time Handle Problem Language Result Execution time Memory
25512 2017-06-22T14:56:19 Z youngyojun Sterilizing Spray (JOI15_sterilizing) C++11
75 / 100
 2049 ms 7740 KB 
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <deque>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <bitset>
#include <string>
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (1100000099)
#define INFLL (1100000000000000099ll)
#define MAXN (100005)
#define MAXQ (100005)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
const int MX = 131072;
struct SEG {
	pii d[MX*2]; ll ds[MX*2];
	void upd(int x, int r) {
		for(d[x+MX] = {r, x}, x += MX, ds[x] = r, x /= 2; x; x /= 2) {
			d[x] = max(d[x*2], d[x*2+1]); ds[x] = ds[x*2] + ds[x*2+1];
		}
	}
	pii getmax(int s, int e) {
		pii r = {0, 0}; for(s += MX, e += MX; s <= e; s /= 2, e /= 2) {
			if(s&1) upmax(r, d[s++]); if(~e&1) upmax(r, d[e--]);
		} return r;
	}
	ll getsum(int s, int e) {
		ll r = 0; for(s += MX, e += MX; s <= e; s /= 2, e /= 2) {
			if(s&1) r += ds[s++]; if(~e&1) r += ds[e--];
		} return r;
	}
};

SEG seg;
vector<pii> V;
int N, Q, K;

int main() {
	scanf("%d%d%d", &N, &Q, &K);
	for(int i = 1, c; i <= N; i++) { scanf("%d", &c); seg.upd(i, c); }
	for(int type, s, e; Q--;) {
		scanf("%d%d%d", &type, &s, &e);
		if(1 == type) seg.upd(s, e);
		else if(2 == type && 1 < K) {
			for(pii r;;) {
				r = seg.getmax(s, e);
				if(!r.first) break;
				V.pb(r); seg.upd(r.second, 0);
			}
			for(pii v : V) seg.upd(v.second, v.first/K);
			clv(V);
		}
		else printf("%lld\n", seg.getsum(s, e));
	}
	return 0;
}

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:63:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d%d", &N, &Q, &K);
                             ^
sterilizing.cpp:64:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i = 1, c; i <= N; i++) { scanf("%d", &c); seg.upd(i, c); }
                                                  ^
sterilizing.cpp:66:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &type, &s, &e);
                                 ^

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6116 KB Output is correct
2 Incorrect 0 ms 6116 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 66 ms 6116 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 29 ms 6116 KB Output is correct
2 Correct 26 ms 6256 KB Output is correct
3 Correct 36 ms 6256 KB Output is correct
4 Correct 69 ms 6260 KB Output is correct
5 Correct 136 ms 6388 KB Output is correct
6 Correct 136 ms 6388 KB Output is correct
7 Incorrect 106 ms 6116 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 403 ms 6972 KB Output is correct
2 Correct 376 ms 6588 KB Output is correct
3 Correct 726 ms 6972 KB Output is correct
4 Correct 453 ms 6588 KB Output is correct
5 Correct 633 ms 6972 KB Output is correct
6 Correct 749 ms 6968 KB Output is correct
7 Correct 566 ms 7736 KB Output is correct
8 Correct 1079 ms 7736 KB Output is correct
9 Correct 936 ms 7740 KB Output is correct
10 Correct 1176 ms 7740 KB Output is correct
11 Correct 789 ms 7736 KB Output is correct
12 Correct 2049 ms 7740 KB Output is correct