oj.uz

Submission #29299

# Submission time Handle Problem Language Result Execution time Memory
29299 2017-07-19T01:50:18 Z 시제연(#1167) Meteors (POI11_met) C++11
74 / 100
 2699 ms 63512 KB 
#include <bits/stdc++.h>

#define s first
#define e second

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

int n, m, k;

struct query {
	int l, r; ll a;
	query(){}
	query(int l, int r, ll a):l(l),r(r),a(a){}
};

struct idxtree {
	ll tree[1050000];
	int key = 524288;
	void init() {
		for (int i=0;i<key*2;i++) tree[i] = 0;
	}
	void updr(int s, int e, ll val) {
		s+=key;e+=key;
		while(s<=e) {
			if (s&1) tree[s] += val;
			if (~e&1) tree[e] += val;
			s = (s+1)>>1; e = (e-1)>>1;
		}
	}
	ll getv(int idx) {
		ll res = 0;
		idx += key;
		while(idx>0) {
			res += tree[idx];
			idx>>=1;
		}
		return res;
	}
	void upd(int s, int e, ll val) {
		if (s<=e) updr(s,e,val);
		else {
			updr(s,m-1,val);
			updr(0,e,val);
		}
	}
} it;

int own[300100];
vector<int> lis[300100];
ll p[300100];
query arr[300100];
vector<int> loc[300100];
vector<int> tmp[300100];
pii yan[300100];
int res[300100];

void init(int s, int e) {
	if (s>e) return;
	int m = (s+e)>>1;
	yan[m] = pii(s,e);
	init(s,m-1); init(m+1,e);
}

void pb() {
	int i;
	for (i=0;i<n;i++) tmp[(k+1)/2].push_back(i);
	init(1,k);
	while(true) {
		for (i=1;i<=k;i++) {
			loc[i].assign(tmp[i].begin(),tmp[i].end());
			tmp[i].clear();
		}
		bool flag = 1;
		it.init();
		for (i=1;i<=k;i++) {
			it.upd(arr[i-1].l,arr[i-1].r,arr[i-1].a);
			for (int v : loc[i]) {
				flag = 0;
				ll sum = 0;
				for (int l : lis[v]) sum += it.getv(l);
				if (sum>=p[v]) {
					if (i==yan[i].s) res[v] = i;
					else tmp[(yan[i].s+i-1)/2].push_back(v);
				}
				else {
					if (i==yan[i].e) res[v] = i+1;
					else tmp[(yan[i].e+i+1)/2].push_back(v);
				}
			}
		}
		if (flag) break;
	}
}

int main() {
	int i;

	scanf("%d%d",&n,&m);
	for (i=0;i<m;i++) {
		scanf("%d",&own[i]); own[i]--;
		lis[own[i]].push_back(i);
	}
	for (i=0;i<n;i++) scanf("%lld",&p[i]);
	scanf("%d",&k);
	for (i=0;i<k;i++) {
		int l, r; ll a;
		scanf("%d%d%lld",&l,&r,&a); l--; r--;
		arr[i] = query(l,r,a);
	}
	pb();
	for (i=0;i<n;i++) {
		if (res[i]>=k+1) printf("NIE\n");
		else printf("%d\n",res[i]);
	}

    return 0;
}

Compilation message

met.cpp: In function 'int main()':
met.cpp:101:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
met.cpp:103:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&own[i]); own[i]--;
                      ^
met.cpp:106:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (i=0;i<n;i++) scanf("%lld",&p[i]);
                                       ^
met.cpp:107:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&k);
                ^
met.cpp:110:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%lld",&l,&r,&a); l--; r--;
                             ^

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 43044 KB Output is correct
2 Correct 19 ms 43176 KB Output is correct
3 Correct 16 ms 43176 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 43044 KB Output is correct
2 Correct 19 ms 43044 KB Output is correct
3 Correct 16 ms 43176 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 216 ms 44168 KB Output is correct
2 Correct 303 ms 47580 KB Output is correct
3 Correct 256 ms 46760 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 259 ms 45832 KB Output is correct
2 Correct 209 ms 45848 KB Output is correct
3 Correct 239 ms 47456 KB Output is correct
4 Correct 66 ms 45588 KB Output is correct

Subtask #5
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 159 ms 44896 KB Output is correct
2 Correct 189 ms 48352 KB Output is correct
3 Correct 143 ms 43308 KB Output is correct
4 Correct 246 ms 47316 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 246 ms 43468 KB Output is correct
2 Correct 266 ms 45984 KB Output is correct
3 Correct 219 ms 43968 KB Output is correct
4 Correct 369 ms 49244 KB Output is correct

Subtask #7
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2699 ms 63512 KB Output is correct
2 Incorrect 876 ms 45696 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2086 ms 61848 KB Output is correct
2 Incorrect 853 ms 45180 KB Output isn't correct
3 Halted 0 ms 0 KB -