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답안 #275364

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
275364 2020-08-20T05:42:46 Z 문홍윤(#5111) Happiness (Balkan15_HAPPINESS) C++17
100 / 100
 1387 ms 125000 KB 
#include "happiness.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long LL;
const LL INF=1e12;

LL sum;
struct NODE{
    LL b;
    int l, r;
}tree[20000010];
int re=1;
void update(int nd, LL s, LL e, LL num, LL val){
    if(s==e){
        tree[nd].b+=val;
        return;
    }
    if(num<=(s+e)/2){
        if(!tree[nd].l)tree[nd].l=++re;
        update(tree[nd].l, s, (s+e)/2, num, val);
    }
    else{
        if(!tree[nd].r)tree[nd].r=++re;
        update(tree[nd].r, (s+e)/2+1, e, num, val);
    }
    tree[nd].b=0;
    if(tree[nd].l)tree[nd].b+=tree[tree[nd].l].b;
    if(tree[nd].r)tree[nd].b+=tree[tree[nd].r].b;
}
inline void update(LL num, LL val){update(1, 1ll, INF, num, val);}
LL query(int nd, LL s, LL e, LL a, LL b){
    if(e<a||s>b)return 0ll;
    if(a<=s&&e<=b)return tree[nd].b;
    LL ret=0;
    if(tree[nd].l)ret+=query(tree[nd].l, s, (s+e)/2, a, b);
    if(tree[nd].r)ret+=query(tree[nd].r, (s+e)/2+1, e, a, b);
    return ret;
}
inline LL query(LL a, LL b){return query(1, 1ll, INF, a, b);}

inline bool poss(){
    LL pos=0;
    while(1){
        if(pos==sum)return true;
        LL tmp=query(1ll, pos+1);
        if(tmp==pos)return false;
        pos=tmp;
    }
}
bool init(int coinsCount, LL maxCoinSize, LL coins[]) {
	for(int i=0; i<coinsCount; i++){
        update(coins[i], coins[i]);
        sum+=coins[i];
	}
	return poss();
}
bool is_happy(int event, int coinsCount, LL coins[]) {
	for(int i=0; i<coinsCount; i++){
        update(coins[i], coins[i]*(LL)event);
        sum+=coins[i]*(LL)event;
	}
	return poss();
}

Compilation message

grader.cpp: In function 'int main()':
grader.cpp:14:9: warning: unused variable 'd' [-Wunused-variable]
   14 |  int i, d;
      |         ^
grader.cpp:15:12: warning: unused variable 'max_code' [-Wunused-variable]
   15 |  long long max_code;
      |            ^~~~~~~~
grader.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   17 |  scanf("%d%lld", &N, &M);
      |  ~~~~~^~~~~~~~~~~~~~~~~~
grader.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   19 |   scanf("%lld", &coins[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~
grader.cpp:23:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   23 |  scanf("%d", &Q);
      |  ~~~~~^~~~~~~~~~
grader.cpp:26:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   26 |   scanf("%d%d", &ck, &c);
      |   ~~~~~^~~~~~~~~~~~~~~~~
grader.cpp:28:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   28 |    scanf("%lld", &A[j]);
      |    ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 896 KB Output is correct
7 Correct 3 ms 896 KB Output is correct
8 Correct 24 ms 4864 KB Output is correct
9 Correct 24 ms 4992 KB Output is correct
10 Correct 21 ms 4864 KB Output is correct

Subtask #3
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 634 ms 12344 KB Output is correct
7 Correct 673 ms 12260 KB Output is correct
8 Correct 854 ms 12420 KB Output is correct
9 Correct 1049 ms 15704 KB Output is correct
10 Correct 838 ms 16948 KB Output is correct
11 Correct 269 ms 11512 KB Output is correct
12 Correct 289 ms 11520 KB Output is correct

Subtask #4
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 384 KB Output is correct
2 Correct 1 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 1 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 2 ms 896 KB Output is correct
7 Correct 3 ms 896 KB Output is correct
8 Correct 24 ms 4864 KB Output is correct
9 Correct 24 ms 4992 KB Output is correct
10 Correct 21 ms 4864 KB Output is correct
11 Correct 634 ms 12344 KB Output is correct
12 Correct 673 ms 12260 KB Output is correct
13 Correct 854 ms 12420 KB Output is correct
14 Correct 1049 ms 15704 KB Output is correct
15 Correct 838 ms 16948 KB Output is correct
16 Correct 269 ms 11512 KB Output is correct
17 Correct 289 ms 11520 KB Output is correct
18 Correct 1063 ms 74308 KB Output is correct
19 Correct 1165 ms 77340 KB Output is correct
20 Correct 1387 ms 125000 KB Output is correct
21 Correct 855 ms 70564 KB Output is correct
22 Correct 341 ms 17276 KB Output is correct
23 Correct 363 ms 17824 KB Output is correct
24 Correct 1008 ms 76656 KB Output is correct