QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #169237 | #7176. I Flipped The Calendar... | ucup-team173# | AC ✓ | 2ms | 3832kb | C++14 | 1.1kb | 2023-09-09 13:14:52 | 2023-09-09 13:14:53 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
int get(int year, int month, int day) {
int c,y,week;
if (month == 1 || month == 2)
year--, month += 12;
c = year / 100;
y = year - c * 100;
week = y + y / 4 + c / 4 - 2 * c + 26 * (month + 1) / 10 + day - 1;
while (week < 0)
week += 7;
week %= 7;
return week;
}
signed main() {
int y;
cin >> y;
// cout << get(2023, 9, 9) << '\n';
int fl = 0;
if(y % 400 == 0) fl = 1;
else if(y % 100 == 0) {}
else if(y % 4 == 0) fl = 1;
int ans = 0;
vector<int> da = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
for(int i = 1; i <= 12; i++) {
int nw = da[i];
if(i == 2) nw += fl;
int be = get(y, i, 1), ed = get(y, i, nw);
if(be == 0) be = 7;
if(ed == 0) ed = 7;
ans += (nw - (8 - be) - (ed)) / 7 + 2;
// cerr << be << ' ' << ed << ' ' << (nw - (8 - be) - (ed)) / 7 + 2 << '\n';
}
cout << ans << '\n';
return 0;
}
/*
7 2 6
3 2 5
3 5 5
6 7 5
1 3 5
4 5 5
6 1 6
2 4 5
5 6 5
7 2 6
3 4 5
5 7 5
*/
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3824kb
input:
2023
output:
63
result:
ok 1 number(s): "63"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1970
output:
63
result:
ok 1 number(s): "63"
Test #3:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
1971
output:
61
result:
ok 1 number(s): "61"
Test #4:
score: 0
Accepted
time: 1ms
memory: 3540kb
input:
1972
output:
63
result:
ok 1 number(s): "63"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3596kb
input:
1973
output:
63
result:
ok 1 number(s): "63"
Test #6:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1974
output:
62
result:
ok 1 number(s): "62"
Test #7:
score: 0
Accepted
time: 1ms
memory: 3828kb
input:
1975
output:
62
result:
ok 1 number(s): "62"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
1976
output:
62
result:
ok 1 number(s): "62"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1977
output:
63
result:
ok 1 number(s): "63"
Test #10:
score: 0
Accepted
time: 0ms
memory: 3604kb
input:
1978
output:
63
result:
ok 1 number(s): "63"
Test #11:
score: 0
Accepted
time: 1ms
memory: 3540kb
input:
1979
output:
63
result:
ok 1 number(s): "63"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
1980
output:
62
result:
ok 1 number(s): "62"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
1981
output:
63
result:
ok 1 number(s): "63"
Test #14:
score: 0
Accepted
time: 1ms
memory: 3484kb
input:
1982
output:
61
result:
ok 1 number(s): "61"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
1983
output:
63
result:
ok 1 number(s): "63"
Test #16:
score: 0
Accepted
time: 1ms
memory: 3548kb
input:
1984
output:
64
result:
ok 1 number(s): "64"
Test #17:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
1985
output:
62
result:
ok 1 number(s): "62"
Test #18:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
1986
output:
62
result:
ok 1 number(s): "62"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3544kb
input:
1987
output:
63
result:
ok 1 number(s): "63"
Test #20:
score: 0
Accepted
time: 1ms
memory: 3540kb
input:
1988
output:
62
result:
ok 1 number(s): "62"
Test #21:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1989
output:
63
result:
ok 1 number(s): "63"
Test #22:
score: 0
Accepted
time: 1ms
memory: 3608kb
input:
1990
output:
63
result:
ok 1 number(s): "63"
Test #23:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
1991
output:
62
result:
ok 1 number(s): "62"
Test #24:
score: 0
Accepted
time: 1ms
memory: 3536kb
input:
1992
output:
63
result:
ok 1 number(s): "63"
Test #25:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
1993
output:
61
result:
ok 1 number(s): "61"
Test #26:
score: 0
Accepted
time: 0ms
memory: 3760kb
input:
1994
output:
63
result:
ok 1 number(s): "63"
Test #27:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
1995
output:
63
result:
ok 1 number(s): "63"
Test #28:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
1996
output:
62
result:
ok 1 number(s): "62"
Test #29:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
1997
output:
62
result:
ok 1 number(s): "62"
Test #30:
score: 0
Accepted
time: 0ms
memory: 3588kb
input:
1998
output:
63
result:
ok 1 number(s): "63"
Test #31:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
1999
output:
61
result:
ok 1 number(s): "61"
Test #32:
score: 0
Accepted
time: 1ms
memory: 3544kb
input:
2000
output:
63
result:
ok 1 number(s): "63"
Test #33:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2001
output:
63
result:
ok 1 number(s): "63"
Test #34:
score: 0
Accepted
time: 0ms
memory: 3600kb
input:
2002
output:
62
result:
ok 1 number(s): "62"
Test #35:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
2003
output:
62
result:
ok 1 number(s): "62"
Test #36:
score: 0
Accepted
time: 1ms
memory: 3596kb
input:
2004
output:
62
result:
ok 1 number(s): "62"
Test #37:
score: 0
Accepted
time: 1ms
memory: 3796kb
input:
2005
output:
63
result:
ok 1 number(s): "63"
Test #38:
score: 0
Accepted
time: 0ms
memory: 3832kb
input:
2006
output:
63
result:
ok 1 number(s): "63"
Test #39:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
2007
output:
63
result:
ok 1 number(s): "63"
Test #40:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
2008
output:
62
result:
ok 1 number(s): "62"
Test #41:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2009
output:
63
result:
ok 1 number(s): "63"
Test #42:
score: 0
Accepted
time: 1ms
memory: 3612kb
input:
2010
output:
61
result:
ok 1 number(s): "61"
Test #43:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2011
output:
63
result:
ok 1 number(s): "63"
Test #44:
score: 0
Accepted
time: 0ms
memory: 3820kb
input:
2012
output:
64
result:
ok 1 number(s): "64"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3572kb
input:
2013
output:
62
result:
ok 1 number(s): "62"
Test #46:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2014
output:
62
result:
ok 1 number(s): "62"
Test #47:
score: 0
Accepted
time: 1ms
memory: 3760kb
input:
2015
output:
63
result:
ok 1 number(s): "63"
Test #48:
score: 0
Accepted
time: 1ms
memory: 3820kb
input:
2016
output:
62
result:
ok 1 number(s): "62"
Test #49:
score: 0
Accepted
time: 1ms
memory: 3828kb
input:
2017
output:
63
result:
ok 1 number(s): "63"
Test #50:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
2018
output:
63
result:
ok 1 number(s): "63"
Test #51:
score: 0
Accepted
time: 1ms
memory: 3592kb
input:
2019
output:
62
result:
ok 1 number(s): "62"
Test #52:
score: 0
Accepted
time: 1ms
memory: 3600kb
input:
2020
output:
63
result:
ok 1 number(s): "63"
Test #53:
score: 0
Accepted
time: 1ms
memory: 3588kb
input:
2021
output:
61
result:
ok 1 number(s): "61"
Test #54:
score: 0
Accepted
time: 1ms
memory: 3612kb
input:
2022
output:
63
result:
ok 1 number(s): "63"
Test #55:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2024
output:
62
result:
ok 1 number(s): "62"
Test #56:
score: 0
Accepted
time: 1ms
memory: 3536kb
input:
2025
output:
62
result:
ok 1 number(s): "62"
Test #57:
score: 0
Accepted
time: 1ms
memory: 3484kb
input:
2026
output:
63
result:
ok 1 number(s): "63"
Test #58:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
2027
output:
61
result:
ok 1 number(s): "61"
Test #59:
score: 0
Accepted
time: 1ms
memory: 3536kb
input:
2028
output:
63
result:
ok 1 number(s): "63"
Test #60:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
2029
output:
63
result:
ok 1 number(s): "63"
Test #61:
score: 0
Accepted
time: 1ms
memory: 3532kb
input:
2030
output:
62
result:
ok 1 number(s): "62"
Test #62:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
2031
output:
62
result:
ok 1 number(s): "62"
Test #63:
score: 0
Accepted
time: 1ms
memory: 3828kb
input:
2032
output:
62
result:
ok 1 number(s): "62"
Test #64:
score: 0
Accepted
time: 0ms
memory: 3796kb
input:
2033
output:
63
result:
ok 1 number(s): "63"
Test #65:
score: 0
Accepted
time: 0ms
memory: 3488kb
input:
2034
output:
63
result:
ok 1 number(s): "63"
Test #66:
score: 0
Accepted
time: 1ms
memory: 3604kb
input:
2035
output:
63
result:
ok 1 number(s): "63"
Test #67:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
2036
output:
62
result:
ok 1 number(s): "62"
Test #68:
score: 0
Accepted
time: 1ms
memory: 3640kb
input:
2037
output:
63
result:
ok 1 number(s): "63"
Extra Test:
score: 0
Extra Test Passed