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답안 #564202

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
564202 2022-05-18T17:51:27 Z 4fecta 송금 (JOI19_remittance) C++17
15 / 100
 232 ms 16204 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define ld long double
#define pii pair<int, int>
#define f first
#define s second
#define boost() cin.tie(0), cin.sync_with_stdio(0)

const int MN = 1000005;

int n;
pii a[MN * 2];

int fpow(int b, int p, int mod) {
    if (!p) return 1;
    int ret = fpow(b, p / 2, mod);
    if (p & 1) return ret * ret % mod * b % mod;
    return ret * ret % mod;
}

int32_t main() {
    boost();

    cin >> n;
    int suma = 0, sumb = 0;
    for (int i = 0; i < n; i++) {
        cin >> a[i].f >> a[i].s;
        suma += a[i].f * (1ll << i);
        sumb += a[i].s * (1ll << i);
    }
    int was = (1ll << n) - 1;
    int d = suma - sumb;
    if (d % was != 0) return 0 * printf("No\n");
    for (int i = 0; i < MN; i++) {
        if (a[i].s > a[i].f) {
            int d = a[i].s - a[i].f;
            a[i].s -= d;
            a[i + n].s += d;
        }
        int d = a[i].f - a[i].s;
        int tk = min(a[i].f / 2, (d + 1) / 2);
        a[i].f -= tk * 2;
        a[i + 1].f += tk;
        if (a[i].s > a[i].f) {
            int d = a[i].s - a[i].f;
            a[i].s -= d;
            a[i + n].s += d;
        }
        if (a[i].f > a[i].s) {
            int d = a[i].f - a[i].s;
            a[i].f -= d;
            a[i + n].f += d;
        }
    }
    int sum = 0;
    for (int i = 0; i < MN * 2; i++) {
        assert(a[i].f >= 0 && a[i].s >= 0);
        if (a[i].f != a[i].s) return 0 * printf("No\n");
        sum += fpow(2, i, was) * (a[i].f - a[i].s) % was;
    }
    if (sum % was == 0) printf("Yes\n");
    else printf("No\n");

    return 0;
}

Subtask #1
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 219 ms 16104 KB Output is correct
3 Correct 217 ms 16204 KB Output is correct
4 Correct 215 ms 15956 KB Output is correct
5 Correct 222 ms 16204 KB Output is correct
6 Correct 227 ms 15968 KB Output is correct
7 Correct 221 ms 15976 KB Output is correct
8 Correct 220 ms 15980 KB Output is correct
9 Correct 218 ms 15972 KB Output is correct
10 Correct 218 ms 15980 KB Output is correct
11 Correct 223 ms 15972 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 109 ms 15956 KB Output is correct
17 Correct 106 ms 15964 KB Output is correct
18 Correct 221 ms 15972 KB Output is correct
19 Correct 108 ms 15964 KB Output is correct
20 Correct 113 ms 15968 KB Output is correct
21 Correct 107 ms 15964 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 222 ms 16116 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 109 ms 15972 KB Output is correct
27 Correct 114 ms 15976 KB Output is correct
28 Correct 221 ms 15976 KB Output is correct
29 Correct 224 ms 15996 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 109 ms 15956 KB Output is correct
32 Correct 220 ms 15956 KB Output is correct

Subtask #2
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 219 ms 16104 KB Output is correct
3 Correct 217 ms 16204 KB Output is correct
4 Correct 215 ms 15956 KB Output is correct
5 Correct 222 ms 16204 KB Output is correct
6 Correct 227 ms 15968 KB Output is correct
7 Correct 221 ms 15976 KB Output is correct
8 Correct 220 ms 15980 KB Output is correct
9 Correct 218 ms 15972 KB Output is correct
10 Correct 218 ms 15980 KB Output is correct
11 Correct 223 ms 15972 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 109 ms 15956 KB Output is correct
17 Correct 106 ms 15964 KB Output is correct
18 Correct 221 ms 15972 KB Output is correct
19 Correct 108 ms 15964 KB Output is correct
20 Correct 113 ms 15968 KB Output is correct
21 Correct 107 ms 15964 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 222 ms 16116 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 109 ms 15972 KB Output is correct
27 Correct 114 ms 15976 KB Output is correct
28 Correct 221 ms 15976 KB Output is correct
29 Correct 224 ms 15996 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 109 ms 15956 KB Output is correct
32 Correct 220 ms 15956 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 231 ms 15956 KB Output is correct
35 Correct 232 ms 16076 KB Output is correct
36 Incorrect 104 ms 15964 KB Output isn't correct
37 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 219 ms 16104 KB Output is correct
3 Correct 217 ms 16204 KB Output is correct
4 Correct 215 ms 15956 KB Output is correct
5 Correct 222 ms 16204 KB Output is correct
6 Correct 227 ms 15968 KB Output is correct
7 Correct 221 ms 15976 KB Output is correct
8 Correct 220 ms 15980 KB Output is correct
9 Correct 218 ms 15972 KB Output is correct
10 Correct 218 ms 15980 KB Output is correct
11 Correct 223 ms 15972 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 109 ms 15956 KB Output is correct
17 Correct 106 ms 15964 KB Output is correct
18 Correct 221 ms 15972 KB Output is correct
19 Correct 108 ms 15964 KB Output is correct
20 Correct 113 ms 15968 KB Output is correct
21 Correct 107 ms 15964 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 222 ms 16116 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 109 ms 15972 KB Output is correct
27 Correct 114 ms 15976 KB Output is correct
28 Correct 221 ms 15976 KB Output is correct
29 Correct 224 ms 15996 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 109 ms 15956 KB Output is correct
32 Correct 220 ms 15956 KB Output is correct
33 Correct 0 ms 212 KB Output is correct
34 Correct 231 ms 15956 KB Output is correct
35 Correct 232 ms 16076 KB Output is correct
36 Incorrect 104 ms 15964 KB Output isn't correct
37 Halted 0 ms 0 KB -