#pragma GCC optimize("O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
ll div(vector<ll>& num, int n) {
ll res = 0;
for (int i = 35; i >= 0; i--) {
vector<ll> den(num.size());
fill(den.begin() + i, den.begin() + n + i, 1);
bool ok = true;
for (int j = num.size() - 1; j >= 0; j--) {
if (num[j] > den[j]) {
break;
}
if (num[j] < den[j]) {
ok = false;
}
}
if (!ok) continue;
res += 1LL << i;
for (int j = 0; j + 1 < num.size(); j++) {
num[j] -= den[j];
if (num[j] < 0) {
num[j] += 2;
num[j + 1]--;
}
}
}
return res;
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int n;
cin >> n;
vector<ll> a(n), b(n);
vector<ll> lul(n + 123);
for (int i = 0; i < n; i++) {
cin >> a[i] >> b[i];
lul[i] = a[i] - b[i];
}
// t[n - 1] = sigma(2^i * (a[i] - b[i])) / (2^n - 1)
for (int i = 0; i + 1 < lul.size(); i++) {
lul[i + 1] += lul[i] / 2;
lul[i] %= 2;
if (lul[i] < 0) {
lul[i] += 2;
lul[i + 1]--;
}
}
if (find(lul.begin(), lul.end(), -1) != lul.end()) {
cout << "No\n";
return 0;
}
ll kek = div(lul, n);
if (find(lul.begin(), lul.end(), 1) != lul.end()) {
cout << "No\n";
return 0;
}
ll heh = 0;
for (int i = 0; i < n; i++) {
heh += a[i];
heh /= 2;
}
if (n < 35) {
ll pw = 1LL << n;
ll huh = heh / pw;
while (huh) {
heh += huh;
huh /= pw;
}
}
if (heh < kek) {
cout << "No\n";
return 0;
}
a[n - 1] -= 2 * kek;
a[0] += kek;
for (int i = 0; i < n - 1; i++) {
if (a[i] < b[i] || (a[i] - b[i]) % 2) {
cout << "No\n";
return 0;
}
ll mem = (a[i] - b[i]) / 2;
a[i] -= mem * 2;
a[i + 1] += mem;
}
if (a[n - 1] != b[n - 1]) {
cout << "No\n";
} else {
cout << "Yes\n";
}
return 0;
}
Compilation message
remittance.cpp: In function 'll div(std::vector<long long int>&, int)':
remittance.cpp:26:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int j = 0; j + 1 < num.size(); j++) {
~~~~~~^~~~~~~~~~~~
remittance.cpp: In function 'int main()':
remittance.cpp:50:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i + 1 < lul.size(); i++) {
~~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
4 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
4 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
4 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
4 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
4 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
4 ms |
384 KB |
Output is correct |
| 33 |
Correct |
5 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
5 ms |
384 KB |
Output is correct |
| 37 |
Correct |
5 ms |
384 KB |
Output is correct |
| 38 |
Correct |
5 ms |
384 KB |
Output is correct |
| 39 |
Correct |
5 ms |
384 KB |
Output is correct |
| 40 |
Correct |
4 ms |
384 KB |
Output is correct |
| 41 |
Correct |
5 ms |
384 KB |
Output is correct |
| 42 |
Correct |
5 ms |
384 KB |
Output is correct |
| 43 |
Correct |
5 ms |
384 KB |
Output is correct |
| 44 |
Correct |
4 ms |
384 KB |
Output is correct |
| 45 |
Correct |
4 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
288 KB |
Output is correct |
| 47 |
Correct |
5 ms |
384 KB |
Output is correct |
| 48 |
Correct |
5 ms |
384 KB |
Output is correct |
| 49 |
Correct |
4 ms |
384 KB |
Output is correct |
| 50 |
Correct |
5 ms |
384 KB |
Output is correct |
| 51 |
Correct |
5 ms |
384 KB |
Output is correct |
| 52 |
Correct |
5 ms |
384 KB |
Output is correct |
| 53 |
Correct |
5 ms |
384 KB |
Output is correct |
| 54 |
Correct |
5 ms |
384 KB |
Output is correct |
| 55 |
Correct |
4 ms |
384 KB |
Output is correct |
| 56 |
Correct |
5 ms |
384 KB |
Output is correct |
| 57 |
Correct |
5 ms |
384 KB |
Output is correct |
| 58 |
Correct |
5 ms |
384 KB |
Output is correct |
| 59 |
Correct |
5 ms |
432 KB |
Output is correct |
| 60 |
Correct |
5 ms |
384 KB |
Output is correct |
| 61 |
Correct |
4 ms |
384 KB |
Output is correct |
| 62 |
Correct |
5 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
256 KB |
Output is correct |
| 2 |
Correct |
5 ms |
384 KB |
Output is correct |
| 3 |
Correct |
5 ms |
384 KB |
Output is correct |
| 4 |
Correct |
5 ms |
384 KB |
Output is correct |
| 5 |
Correct |
5 ms |
384 KB |
Output is correct |
| 6 |
Correct |
5 ms |
256 KB |
Output is correct |
| 7 |
Correct |
5 ms |
384 KB |
Output is correct |
| 8 |
Correct |
5 ms |
384 KB |
Output is correct |
| 9 |
Correct |
5 ms |
384 KB |
Output is correct |
| 10 |
Correct |
5 ms |
384 KB |
Output is correct |
| 11 |
Correct |
5 ms |
384 KB |
Output is correct |
| 12 |
Correct |
5 ms |
384 KB |
Output is correct |
| 13 |
Correct |
4 ms |
384 KB |
Output is correct |
| 14 |
Correct |
5 ms |
384 KB |
Output is correct |
| 15 |
Correct |
4 ms |
384 KB |
Output is correct |
| 16 |
Correct |
5 ms |
384 KB |
Output is correct |
| 17 |
Correct |
5 ms |
384 KB |
Output is correct |
| 18 |
Correct |
5 ms |
384 KB |
Output is correct |
| 19 |
Correct |
4 ms |
384 KB |
Output is correct |
| 20 |
Correct |
5 ms |
384 KB |
Output is correct |
| 21 |
Correct |
5 ms |
384 KB |
Output is correct |
| 22 |
Correct |
5 ms |
384 KB |
Output is correct |
| 23 |
Correct |
5 ms |
384 KB |
Output is correct |
| 24 |
Correct |
4 ms |
384 KB |
Output is correct |
| 25 |
Correct |
4 ms |
384 KB |
Output is correct |
| 26 |
Correct |
5 ms |
384 KB |
Output is correct |
| 27 |
Correct |
4 ms |
384 KB |
Output is correct |
| 28 |
Correct |
5 ms |
384 KB |
Output is correct |
| 29 |
Correct |
5 ms |
384 KB |
Output is correct |
| 30 |
Correct |
5 ms |
384 KB |
Output is correct |
| 31 |
Correct |
4 ms |
384 KB |
Output is correct |
| 32 |
Correct |
4 ms |
384 KB |
Output is correct |
| 33 |
Correct |
5 ms |
384 KB |
Output is correct |
| 34 |
Correct |
5 ms |
384 KB |
Output is correct |
| 35 |
Correct |
5 ms |
384 KB |
Output is correct |
| 36 |
Correct |
5 ms |
384 KB |
Output is correct |
| 37 |
Correct |
5 ms |
384 KB |
Output is correct |
| 38 |
Correct |
5 ms |
384 KB |
Output is correct |
| 39 |
Correct |
5 ms |
384 KB |
Output is correct |
| 40 |
Correct |
4 ms |
384 KB |
Output is correct |
| 41 |
Correct |
5 ms |
384 KB |
Output is correct |
| 42 |
Correct |
5 ms |
384 KB |
Output is correct |
| 43 |
Correct |
5 ms |
384 KB |
Output is correct |
| 44 |
Correct |
4 ms |
384 KB |
Output is correct |
| 45 |
Correct |
4 ms |
384 KB |
Output is correct |
| 46 |
Correct |
5 ms |
288 KB |
Output is correct |
| 47 |
Correct |
5 ms |
384 KB |
Output is correct |
| 48 |
Correct |
5 ms |
384 KB |
Output is correct |
| 49 |
Correct |
4 ms |
384 KB |
Output is correct |
| 50 |
Correct |
5 ms |
384 KB |
Output is correct |
| 51 |
Correct |
5 ms |
384 KB |
Output is correct |
| 52 |
Correct |
5 ms |
384 KB |
Output is correct |
| 53 |
Correct |
5 ms |
384 KB |
Output is correct |
| 54 |
Correct |
5 ms |
384 KB |
Output is correct |
| 55 |
Correct |
4 ms |
384 KB |
Output is correct |
| 56 |
Correct |
5 ms |
384 KB |
Output is correct |
| 57 |
Correct |
5 ms |
384 KB |
Output is correct |
| 58 |
Correct |
5 ms |
384 KB |
Output is correct |
| 59 |
Correct |
5 ms |
432 KB |
Output is correct |
| 60 |
Correct |
5 ms |
384 KB |
Output is correct |
| 61 |
Correct |
4 ms |
384 KB |
Output is correct |
| 62 |
Correct |
5 ms |
384 KB |
Output is correct |
| 63 |
Correct |
286 ms |
43128 KB |
Output is correct |
| 64 |
Correct |
258 ms |
35576 KB |
Output is correct |
| 65 |
Correct |
392 ms |
50552 KB |
Output is correct |
| 66 |
Correct |
238 ms |
35696 KB |
Output is correct |
| 67 |
Correct |
274 ms |
37112 KB |
Output is correct |
| 68 |
Correct |
269 ms |
39288 KB |
Output is correct |
| 69 |
Correct |
427 ms |
51192 KB |
Output is correct |
| 70 |
Correct |
258 ms |
35696 KB |
Output is correct |
| 71 |
Correct |
263 ms |
36984 KB |
Output is correct |
| 72 |
Correct |
253 ms |
39288 KB |
Output is correct |
| 73 |
Correct |
383 ms |
51064 KB |
Output is correct |
| 74 |
Correct |
226 ms |
35580 KB |
Output is correct |
| 75 |
Correct |
247 ms |
36984 KB |
Output is correct |
| 76 |
Correct |
298 ms |
39288 KB |
Output is correct |
| 77 |
Correct |
394 ms |
51168 KB |
Output is correct |
| 78 |
Correct |
318 ms |
43256 KB |
Output is correct |
| 79 |
Correct |
313 ms |
43384 KB |
Output is correct |
| 80 |
Correct |
333 ms |
43360 KB |
Output is correct |
| 81 |
Correct |
334 ms |
43256 KB |
Output is correct |
| 82 |
Correct |
234 ms |
35576 KB |
Output is correct |
| 83 |
Correct |
135 ms |
27768 KB |
Output is correct |
| 84 |
Correct |
221 ms |
35576 KB |
Output is correct |
| 85 |
Correct |
446 ms |
52192 KB |
Output is correct |
| 86 |
Correct |
414 ms |
52088 KB |
Output is correct |
| 87 |
Correct |
320 ms |
44512 KB |
Output is correct |
| 88 |
Correct |
355 ms |
44408 KB |
Output is correct |
