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답안 #208633

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
208633 2020-03-12T00:06:07 Z eriksuenderhauf 송금 (JOI19_remittance) C++11
100 / 100
 556 ms 33144 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>
#define mem(a,v) memset((a), (v), sizeof (a))
#define enl printf("\n")
#define case(t) printf("Case #%d: ", (t))
#define ni(n) scanf("%d", &(n))
#define nl(n) scanf("%lld", &(n))
#define nai(a, n) for (int i = 0; i < (n); i++) ni(a[i])
#define nal(a, n) for (int i = 0; i < (n); i++) nl(a[i])
#define pri(n) printf("%d\n", (n))
#define prl(n) printf("%lld\n", (n))
#define pii pair<int, int>
#define pil pair<int, long long>
#define pll pair<long long, long long>
#define vii vector<pii>
#define vil vector<pil>
#define vll vector<pll>
#define vi vector<int>
#define vl vector<long long>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef cc_hash_table<int,int,hash<int>> ht;
typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> oset;
const double pi = acos(-1);
const int MOD = 1e9 + 7;
const ll INF = 1e10 + 7;
const int MAXN = 1e6 + 5;
const double eps = 1e-9;
ll a[MAXN], b[MAXN];
ll d[MAXN], e[MAXN];
int n;

int check(ll val) {
	for (int i = 1; i <= n; i++) {
		e[i] = d[i];
		d[i] += val;
	}
	for (int i = n; i > 0; i--) {
		if (d[i] <= 0)
			continue;
		ll pw = d[i];
		for (int j = (i-2+n) % n + 1; pw <= INF; j = (j-2+n) % n + 1) {
			pw = 2ll * pw;
			if (d[j] >= 0)
				continue;
			pw += d[j];
			if (pw <= 0) {
				d[i] = 0;
				d[j] = pw;
				break;
			} else {
				d[j] = 0;
			}
		}
		if (d[i] != 0) {
			for (int j = 1; j <= n; j++)
				d[j] = e[j];
			return 0;
		}
	}
	ll ret = 1;
	for (int i = 1; i <= n; i++)
		if (d[i] != d[1]) {
			ret = 0;
			break;
		}
	if (ret && ((d[1] < 0 && val > 0) || d[1] == 0)) {
		printf("Yes\n");
		exit(0);
	}
	for (int j = 1; j <= n; j++)
		d[j] = e[j];
	return 1;
}

int main() {
	ni(n);
	ll sm = 0;
	ll lo = 1, hi = 1e9;
	bool fl = 0, fl2 = 1;
	for (int i = 1; i <= n; i++) {
		nl(a[i]), nl(b[i]);
		fl |= (a[i] > 1);
		fl2 &= (b[i] == 0);
		d[i] = b[i] - a[i];
		hi = max(hi, -d[i]);
		sm -= d[i];
	}
	if (sm < 0)
		return !printf("No\n");
	bool mix = check(0);
	if (fl2 || !fl || mix == false)
		return !printf("No\n");
	while (lo <= hi) {
		ll mi = (lo+hi) / 2;
		if (check(mi))
			lo = mi+1;
		else
			hi = mi-1;
	}
	return !printf("No\n");
}

Compilation message

remittance.cpp: In function 'int main()':
remittance.cpp:9:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 #define ni(n) scanf("%d", &(n))
               ~~~~~^~~~~~~~~~~~
remittance.cpp:85:2: note: in expansion of macro 'ni'
  ni(n);
  ^~
remittance.cpp:90:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   nl(a[i]), nl(b[i]);
           ^
remittance.cpp:90:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 380 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 380 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 280 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct

Subtask #2
40.0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 380 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 380 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 280 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 380 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 300 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 5 ms 376 KB Output is correct

Subtask #3
45.0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 380 KB Output is correct
2 Correct 5 ms 376 KB Output is correct
3 Correct 5 ms 376 KB Output is correct
4 Correct 5 ms 376 KB Output is correct
5 Correct 5 ms 376 KB Output is correct
6 Correct 5 ms 376 KB Output is correct
7 Correct 5 ms 380 KB Output is correct
8 Correct 5 ms 376 KB Output is correct
9 Correct 5 ms 376 KB Output is correct
10 Correct 5 ms 376 KB Output is correct
11 Correct 5 ms 376 KB Output is correct
12 Correct 5 ms 376 KB Output is correct
13 Correct 5 ms 376 KB Output is correct
14 Correct 5 ms 376 KB Output is correct
15 Correct 5 ms 376 KB Output is correct
16 Correct 5 ms 376 KB Output is correct
17 Correct 5 ms 376 KB Output is correct
18 Correct 5 ms 376 KB Output is correct
19 Correct 5 ms 380 KB Output is correct
20 Correct 5 ms 376 KB Output is correct
21 Correct 5 ms 376 KB Output is correct
22 Correct 5 ms 376 KB Output is correct
23 Correct 5 ms 376 KB Output is correct
24 Correct 5 ms 376 KB Output is correct
25 Correct 5 ms 376 KB Output is correct
26 Correct 5 ms 280 KB Output is correct
27 Correct 5 ms 376 KB Output is correct
28 Correct 5 ms 380 KB Output is correct
29 Correct 5 ms 376 KB Output is correct
30 Correct 5 ms 376 KB Output is correct
31 Correct 5 ms 376 KB Output is correct
32 Correct 5 ms 376 KB Output is correct
33 Correct 5 ms 376 KB Output is correct
34 Correct 5 ms 376 KB Output is correct
35 Correct 5 ms 376 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 5 ms 376 KB Output is correct
38 Correct 5 ms 376 KB Output is correct
39 Correct 5 ms 380 KB Output is correct
40 Correct 5 ms 376 KB Output is correct
41 Correct 5 ms 376 KB Output is correct
42 Correct 5 ms 376 KB Output is correct
43 Correct 5 ms 376 KB Output is correct
44 Correct 5 ms 376 KB Output is correct
45 Correct 5 ms 300 KB Output is correct
46 Correct 5 ms 376 KB Output is correct
47 Correct 5 ms 376 KB Output is correct
48 Correct 5 ms 376 KB Output is correct
49 Correct 5 ms 376 KB Output is correct
50 Correct 5 ms 376 KB Output is correct
51 Correct 5 ms 376 KB Output is correct
52 Correct 5 ms 376 KB Output is correct
53 Correct 5 ms 376 KB Output is correct
54 Correct 5 ms 376 KB Output is correct
55 Correct 5 ms 376 KB Output is correct
56 Correct 5 ms 376 KB Output is correct
57 Correct 5 ms 376 KB Output is correct
58 Correct 5 ms 376 KB Output is correct
59 Correct 5 ms 376 KB Output is correct
60 Correct 5 ms 376 KB Output is correct
61 Correct 5 ms 376 KB Output is correct
62 Correct 5 ms 376 KB Output is correct
63 Correct 380 ms 32120 KB Output is correct
64 Correct 216 ms 32352 KB Output is correct
65 Correct 556 ms 32120 KB Output is correct
66 Correct 214 ms 32376 KB Output is correct
67 Correct 241 ms 32504 KB Output is correct
68 Correct 263 ms 32372 KB Output is correct
69 Correct 543 ms 32172 KB Output is correct
70 Correct 299 ms 32376 KB Output is correct
71 Correct 314 ms 32376 KB Output is correct
72 Correct 252 ms 32376 KB Output is correct
73 Correct 536 ms 32096 KB Output is correct
74 Correct 204 ms 32376 KB Output is correct
75 Correct 230 ms 32376 KB Output is correct
76 Correct 259 ms 32376 KB Output is correct
77 Correct 367 ms 32124 KB Output is correct
78 Correct 290 ms 33036 KB Output is correct
79 Correct 309 ms 33144 KB Output is correct
80 Correct 403 ms 33052 KB Output is correct
81 Correct 416 ms 33080 KB Output is correct
82 Correct 196 ms 32376 KB Output is correct
83 Correct 198 ms 24824 KB Output is correct
84 Correct 195 ms 32376 KB Output is correct
85 Correct 459 ms 32248 KB Output is correct
86 Correct 446 ms 32152 KB Output is correct
87 Correct 257 ms 33144 KB Output is correct
88 Correct 284 ms 33020 KB Output is correct