답안 #29312

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
29312	2017-07-19T02:14:24 Z	tlwpdus	Meteors (POI11_met)	C++11	100 / 100	3383 ms	38588 KB

met

#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];
pii loc[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, j, pp = 0;
	for (i=0;i<n;i++) loc[i] = pii((k+1)/2,i);
	init(1,k);
	while(pp<n) {
		bool flag = 1;
		it.init();
		j = 0;
		int cn = n-pp;
		for (i=1;i<=k;i++) {
			it.upd(arr[i-1].l,arr[i-1].r,arr[i-1].a);
			while(j<cn&&loc[j].first==i) {
				int v = loc[j].second;
				flag = 0;
				ll sum = 0;
				for (int l : lis[v]) {
					sum += it.getv(l);
					sum = min(sum,1000000100LL);
				}
				if (sum>=p[v]) {
					if (i==yan[i].s) {
						res[v] = i;
						loc[j].first = k+10; pp++;
					}
					else loc[j].first = (yan[i].s+i-1)/2;
				}
				else {
					if (i==yan[i].e) {
						res[v] = i+1;
						loc[j].first = k+10; pp++;
					}
					else loc[j].first = (yan[i].e+i+1)/2;
				}
				j++;
			}
		}
		if (flag) break;
		sort(loc,loc+cn);
	}
}

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:110:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
                     ^
met.cpp:112:22: 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:115:39: 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:116:16: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&k);
                ^
met.cpp:119:29: 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

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	31328 KB	Output is correct
2	Correct	9 ms	31328 KB	Output is correct
3	Correct	13 ms	31328 KB	Output is correct

Subtask #2

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	31328 KB	Output is correct
2	Correct	9 ms	31328 KB	Output is correct
3	Correct	9 ms	31328 KB	Output is correct

Subtask #3

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	179 ms	31592 KB	Output is correct
2	Correct	273 ms	31988 KB	Output is correct
3	Correct	236 ms	31856 KB	Output is correct

Subtask #4

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	219 ms	31724 KB	Output is correct
2	Correct	219 ms	31724 KB	Output is correct
3	Correct	269 ms	31988 KB	Output is correct
4	Correct	59 ms	31856 KB	Output is correct

Subtask #5

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	139 ms	31724 KB	Output is correct
2	Correct	186 ms	32120 KB	Output is correct
3	Correct	116 ms	31328 KB	Output is correct
4	Correct	219 ms	31988 KB	Output is correct

Subtask #6

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	206 ms	31620 KB	Output is correct
2	Correct	236 ms	31724 KB	Output is correct
3	Correct	183 ms	31724 KB	Output is correct
4	Correct	276 ms	32120 KB	Output is correct

Subtask #7

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2299 ms	35024 KB	Output is correct
2	Correct	789 ms	33980 KB	Output is correct
3	Correct	529 ms	31328 KB	Output is correct
4	Correct	3383 ms	37664 KB	Output is correct

Subtask #8

13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2179 ms	34896 KB	Output is correct
2	Correct	776 ms	33464 KB	Output is correct
3	Correct	443 ms	31328 KB	Output is correct
4	Correct	3346 ms	38588 KB	Output is correct