QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #165747 | #7176. I Flipped The Calendar... | ucup-team368# | AC ✓ | 2ms | 3796kb | C++20 | 2.3kb | 2023-09-05 21:24:47 | 2023-09-05 21:24:48 |
Judging History
answer
#ifndef Yamada
#define Yamada
#include Yamada __FILE__ Yamada
const vector<int> days{-1, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
void solve() {
int Y; cin >> Y;
auto calc = [](int maxY) -> int {
int ans = 0, d = 2; /// 1970.01.01 Thursday
for (int y = 1970; y <= maxY; ++y) {
// debug(y, d%7);
for (int m = 1; m <= 12; ++m) {
int tmp = days[m];
if (m == 2 and y % 4 == 0) ++tmp;
ans += (d + tmp) / 7 - (d + 1) / 7 + 1;
d += tmp;
// if (y == 2023) debug(y, m, d / 7 - (d - tmp + 1) / 7 + 1, d % 7);
}
}
return ans;
};
cout << calc(Y) - calc(Y-1) << "\n";
}
int32_t main() {
fastIO();
int t = 1; // cin >> t;
for (int _ = 1; _ <= t; ++_) {
solve();
}
return 0;
}
#else
#ifdef local
#define _GLIBCXX_DEBUG 1
#endif
#pragma GCC optimize("Ofast", "unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int int64_t
// #define double __float80
using pii = pair<int, int>;
template <typename T> using Prior = std::priority_queue<T>;
template <typename T> using prior = std::priority_queue<T, vector<T>, greater<T>>;
// #define X first
// #define Y second
#define eb emplace_back
#define ef emplace_front
#define ee emplace
#define pb pop_back
#define pf pop_front
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
#define SZ(x) ((int)(x).size())
#ifdef local
#define fastIO() void()
#define debug(...) \
fprintf(stderr, "%sAt [%s], line %d: (%s) = ", "\u001b[33m", __FILE__, __LINE__, #__VA_ARGS__), \
_do(__VA_ARGS__), fprintf(stderr, "%s", "\u001b[0m")
template <typename T> void _do(T &&_t) {cerr << _t << "\n";}
template <typename T, typename ...U> void _do(T &&_t, U &&..._u) {cerr << _t << ", ", _do(_u...);}
#else
#define fastIO() ios_base::sync_with_stdio(0), cin.tie(0)
#define debug(...) void()
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
template <typename T, typename U> bool chmin(T &lhs, U rhs) {return lhs > rhs ? lhs = rhs, 1 : 0;}
template <typename T, typename U> bool chmax(T &lhs, U rhs) {return lhs < rhs ? lhs = rhs, 1 : 0;}
#endif
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3632kb
input:
2023
output:
63
result:
ok 1 number(s): "63"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
1970
output:
63
result:
ok 1 number(s): "63"
Test #3:
score: 0
Accepted
time: 2ms
memory: 3772kb
input:
1971
output:
61
result:
ok 1 number(s): "61"
Test #4:
score: 0
Accepted
time: 2ms
memory: 3508kb
input:
1972
output:
63
result:
ok 1 number(s): "63"
Test #5:
score: 0
Accepted
time: 2ms
memory: 3556kb
input:
1973
output:
63
result:
ok 1 number(s): "63"
Test #6:
score: 0
Accepted
time: 2ms
memory: 3592kb
input:
1974
output:
62
result:
ok 1 number(s): "62"
Test #7:
score: 0
Accepted
time: 0ms
memory: 3616kb
input:
1975
output:
62
result:
ok 1 number(s): "62"
Test #8:
score: 0
Accepted
time: 2ms
memory: 3512kb
input:
1976
output:
62
result:
ok 1 number(s): "62"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3528kb
input:
1977
output:
63
result:
ok 1 number(s): "63"
Test #10:
score: 0
Accepted
time: 1ms
memory: 3556kb
input:
1978
output:
63
result:
ok 1 number(s): "63"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
1979
output:
63
result:
ok 1 number(s): "63"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3556kb
input:
1980
output:
62
result:
ok 1 number(s): "62"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3756kb
input:
1981
output:
63
result:
ok 1 number(s): "63"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3552kb
input:
1982
output:
61
result:
ok 1 number(s): "61"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3556kb
input:
1983
output:
63
result:
ok 1 number(s): "63"
Test #16:
score: 0
Accepted
time: 1ms
memory: 3512kb
input:
1984
output:
64
result:
ok 1 number(s): "64"
Test #17:
score: 0
Accepted
time: 1ms
memory: 3500kb
input:
1985
output:
62
result:
ok 1 number(s): "62"
Test #18:
score: 0
Accepted
time: 1ms
memory: 3588kb
input:
1986
output:
62
result:
ok 1 number(s): "62"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
1987
output:
63
result:
ok 1 number(s): "63"
Test #20:
score: 0
Accepted
time: 1ms
memory: 3620kb
input:
1988
output:
62
result:
ok 1 number(s): "62"
Test #21:
score: 0
Accepted
time: 0ms
memory: 3496kb
input:
1989
output:
63
result:
ok 1 number(s): "63"
Test #22:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
1990
output:
63
result:
ok 1 number(s): "63"
Test #23:
score: 0
Accepted
time: 1ms
memory: 3596kb
input:
1991
output:
62
result:
ok 1 number(s): "62"
Test #24:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
1992
output:
63
result:
ok 1 number(s): "63"
Test #25:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
1993
output:
61
result:
ok 1 number(s): "61"
Test #26:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
1994
output:
63
result:
ok 1 number(s): "63"
Test #27:
score: 0
Accepted
time: 1ms
memory: 3496kb
input:
1995
output:
63
result:
ok 1 number(s): "63"
Test #28:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
1996
output:
62
result:
ok 1 number(s): "62"
Test #29:
score: 0
Accepted
time: 1ms
memory: 3720kb
input:
1997
output:
62
result:
ok 1 number(s): "62"
Test #30:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
1998
output:
63
result:
ok 1 number(s): "63"
Test #31:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
1999
output:
61
result:
ok 1 number(s): "61"
Test #32:
score: 0
Accepted
time: 1ms
memory: 3620kb
input:
2000
output:
63
result:
ok 1 number(s): "63"
Test #33:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2001
output:
63
result:
ok 1 number(s): "63"
Test #34:
score: 0
Accepted
time: 0ms
memory: 3556kb
input:
2002
output:
62
result:
ok 1 number(s): "62"
Test #35:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2003
output:
62
result:
ok 1 number(s): "62"
Test #36:
score: 0
Accepted
time: 0ms
memory: 3628kb
input:
2004
output:
62
result:
ok 1 number(s): "62"
Test #37:
score: 0
Accepted
time: 1ms
memory: 3612kb
input:
2005
output:
63
result:
ok 1 number(s): "63"
Test #38:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2006
output:
63
result:
ok 1 number(s): "63"
Test #39:
score: 0
Accepted
time: 1ms
memory: 3496kb
input:
2007
output:
63
result:
ok 1 number(s): "63"
Test #40:
score: 0
Accepted
time: 1ms
memory: 3536kb
input:
2008
output:
62
result:
ok 1 number(s): "62"
Test #41:
score: 0
Accepted
time: 1ms
memory: 3460kb
input:
2009
output:
63
result:
ok 1 number(s): "63"
Test #42:
score: 0
Accepted
time: 0ms
memory: 3732kb
input:
2010
output:
61
result:
ok 1 number(s): "61"
Test #43:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2011
output:
63
result:
ok 1 number(s): "63"
Test #44:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
2012
output:
64
result:
ok 1 number(s): "64"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
2013
output:
62
result:
ok 1 number(s): "62"
Test #46:
score: 0
Accepted
time: 0ms
memory: 3504kb
input:
2014
output:
62
result:
ok 1 number(s): "62"
Test #47:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
2015
output:
63
result:
ok 1 number(s): "63"
Test #48:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
2016
output:
62
result:
ok 1 number(s): "62"
Test #49:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2017
output:
63
result:
ok 1 number(s): "63"
Test #50:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2018
output:
63
result:
ok 1 number(s): "63"
Test #51:
score: 0
Accepted
time: 0ms
memory: 3492kb
input:
2019
output:
62
result:
ok 1 number(s): "62"
Test #52:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
2020
output:
63
result:
ok 1 number(s): "63"
Test #53:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
2021
output:
61
result:
ok 1 number(s): "61"
Test #54:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2022
output:
63
result:
ok 1 number(s): "63"
Test #55:
score: 0
Accepted
time: 0ms
memory: 3532kb
input:
2024
output:
62
result:
ok 1 number(s): "62"
Test #56:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
2025
output:
62
result:
ok 1 number(s): "62"
Test #57:
score: 0
Accepted
time: 1ms
memory: 3492kb
input:
2026
output:
63
result:
ok 1 number(s): "63"
Test #58:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
2027
output:
61
result:
ok 1 number(s): "61"
Test #59:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
2028
output:
63
result:
ok 1 number(s): "63"
Test #60:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
2029
output:
63
result:
ok 1 number(s): "63"
Test #61:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2030
output:
62
result:
ok 1 number(s): "62"
Test #62:
score: 0
Accepted
time: 1ms
memory: 3796kb
input:
2031
output:
62
result:
ok 1 number(s): "62"
Test #63:
score: 0
Accepted
time: 1ms
memory: 3540kb
input:
2032
output:
62
result:
ok 1 number(s): "62"
Test #64:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
2033
output:
63
result:
ok 1 number(s): "63"
Test #65:
score: 0
Accepted
time: 1ms
memory: 3492kb
input:
2034
output:
63
result:
ok 1 number(s): "63"
Test #66:
score: 0
Accepted
time: 1ms
memory: 3496kb
input:
2035
output:
63
result:
ok 1 number(s): "63"
Test #67:
score: 0
Accepted
time: 1ms
memory: 3792kb
input:
2036
output:
62
result:
ok 1 number(s): "62"
Test #68:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2037
output:
63
result:
ok 1 number(s): "63"
Extra Test:
score: 0
Extra Test Passed