oj.uz

Submission #106141

# Submission time Handle Problem Language Result Execution time Memory
106141 2019-04-16T18:31:37 Z cki86201 Sterilizing Spray (JOI15_sterilizing) C++11
80 / 100
 5000 ms 6648 KB 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <algorithm>
#include <iostream>
#include <functional>
#include <unordered_set>
#include <bitset>
#include <time.h>
#include <limits.h>

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
#define Fi first
#define Se second
#define pb push_back
#define szz(x) (int)x.size()
#define rep(i,n) for(int i=0;i<n;i++)
#define all(x) x.begin(),x.end()
typedef tuple<int, int, int> t3;

int N, K, Q;
int A[100010];

ll T[1<<18];
int H[1<<18];

void init(int rt, int l, int r) {
	if(l == r) T[rt] = A[l];
	else {
		int m = (l + r) >> 1;
		init(rt*2, l, m);
		init(rt*2+1, m+1, r);
		T[rt] = T[rt*2] + T[rt*2+1];
		H[rt] = H[rt*2] & H[rt*2+1];
	}
}

void update_v(int rt, int l, int r, int x, int v) {
	if(l == r) {
		T[rt] = v;
		H[rt] = (v == 0);
		return;
	}
	int m = (l + r) >> 1;
	if(x <= m) update_v(rt*2, l, m, x, v);
	else update_v(rt*2+1, m+1, r, x, v);
	T[rt] = T[rt*2] + T[rt*2+1];
	H[rt] = H[rt*2] & H[rt*2+1];
}

void update_s(int rt, int l, int r, int s, int e) {
	if(H[rt]) return;
	if(l == r) {
		T[rt] /= K;
		H[rt] = (T[rt] == 0);
		return;
	}
	int m = (l + r) >> 1;
	if(s <= m) update_s(rt*2, l, m, s, e);
	if(m < e) update_s(rt*2+1, m+1, r, s, e);
	T[rt] = T[rt*2] + T[rt*2+1];
	H[rt] = H[rt*2] & H[rt*2+1];
}

ll get_sum(int rt, int l, int r, int s, int e) {
	if(s <= l && r <= e) return T[rt];
	int m = (l + r) >> 1;
	ll res = 0;
	if(s <= m) res += get_sum(rt*2, l, m, s, e);
	if(m < e) res += get_sum(rt*2+1, m+1, r, s, e);
	return res;
}

int main() {
	scanf("%d%d%d", &N, &Q, &K);
	for(int i=1;i<=N;i++) scanf("%d", A + i);
	init(1, 1, N);
	for(int i=1;i<=Q;i++) {
		int cmd; scanf("%d", &cmd);
		if(cmd == 1) {
			int x, y; scanf("%d%d", &x, &y);
			update_v(1, 1, N, x, y);
		}
		else if(cmd == 2) {
			int l, r; scanf("%d%d", &l, &r);
			update_s(1, 1, N, l, r);
		}
		else {
			int l, r; scanf("%d%d", &l, &r);
			printf("%lld\n", get_sum(1, 1, N, l, r));
		}
	}
	return 0;
}

Compilation message

sterilizing.cpp: In function 'int main()':
sterilizing.cpp:86:7: 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:87:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=N;i++) scanf("%d", A + i);
                        ~~~~~^~~~~~~~~~~~~
sterilizing.cpp:90:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int cmd; scanf("%d", &cmd);
            ~~~~~^~~~~~~~~~~~
sterilizing.cpp:92:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int x, y; scanf("%d%d", &x, &y);
              ~~~~~^~~~~~~~~~~~~~~~
sterilizing.cpp:96:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int l, r; scanf("%d%d", &l, &r);
              ~~~~~^~~~~~~~~~~~~~~~
sterilizing.cpp:100:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    int l, r; scanf("%d%d", &l, &r);
              ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 6 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 7 ms 512 KB Output is correct
5 Correct 8 ms 512 KB Output is correct
6 Correct 7 ms 640 KB Output is correct
7 Correct 7 ms 512 KB Output is correct
8 Correct 8 ms 512 KB Output is correct
9 Correct 7 ms 512 KB Output is correct
10 Correct 5 ms 512 KB Output is correct
11 Correct 6 ms 512 KB Output is correct
12 Correct 6 ms 512 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Execution timed out 5063 ms 4096 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 1024 KB Output is correct
2 Correct 18 ms 2304 KB Output is correct
3 Correct 28 ms 2436 KB Output is correct
4 Correct 55 ms 2504 KB Output is correct
5 Correct 116 ms 5280 KB Output is correct
6 Correct 80 ms 5240 KB Output is correct
7 Execution timed out 5088 ms 4852 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 110 ms 3768 KB Output is correct
2 Correct 139 ms 3972 KB Output is correct
3 Correct 159 ms 3348 KB Output is correct
4 Correct 136 ms 3196 KB Output is correct
5 Correct 176 ms 6648 KB Output is correct
6 Correct 192 ms 6624 KB Output is correct
7 Correct 167 ms 6520 KB Output is correct
8 Correct 253 ms 6568 KB Output is correct
9 Correct 242 ms 6380 KB Output is correct
10 Correct 257 ms 6496 KB Output is correct
11 Correct 172 ms 6452 KB Output is correct
12 Correct 301 ms 6580 KB Output is correct