QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #173329 | #7176. I Flipped The Calendar... | ucup-team180# | AC ✓ | 1ms | 3716kb | C++17 | 859b | 2023-09-09 23:09:30 | 2023-09-09 23:09:30 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
bool is_leap_year(int y){
return y % 400 == 0 || y % 4 == 0 && y % 100 != 0;
}
int day(int y, int m){
if (m == 2){
if (is_leap_year(y)){
return 29;
} else {
return 28;
}
}
if (m == 4 || m == 6 || m == 9 || m == 11){
return 30;
}
return 31;
}
int main(){
int y;
cin >> y;
int D = 6;
int cy = 2023;
while (cy > y){
cy--;
D -= (is_leap_year(cy) ? 366 : 365);
D = (D % 7 + 7) % 7;
}
while (cy < y){
D += (is_leap_year(cy) ? 366 : 365);
D %= 7;
cy++;
}
int ans = 0;
for (int i = 1; i <= 12; i++){
ans++;
int m = day(y, i);
for (int j = 0; j < m - 1; j++){
D = (D + 1) % 7;
if (D == 0){
ans++;
}
}
D = (D + 1) % 7;
}
cout << ans << endl;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 3632kb
input:
2023
output:
63
result:
ok 1 number(s): "63"
Test #2:
score: 0
Accepted
time: 1ms
memory: 3576kb
input:
1970
output:
63
result:
ok 1 number(s): "63"
Test #3:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
1971
output:
61
result:
ok 1 number(s): "61"
Test #4:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
1972
output:
63
result:
ok 1 number(s): "63"
Test #5:
score: 0
Accepted
time: 1ms
memory: 3564kb
input:
1973
output:
63
result:
ok 1 number(s): "63"
Test #6:
score: 0
Accepted
time: 1ms
memory: 3512kb
input:
1974
output:
62
result:
ok 1 number(s): "62"
Test #7:
score: 0
Accepted
time: 1ms
memory: 3696kb
input:
1975
output:
62
result:
ok 1 number(s): "62"
Test #8:
score: 0
Accepted
time: 1ms
memory: 3564kb
input:
1976
output:
62
result:
ok 1 number(s): "62"
Test #9:
score: 0
Accepted
time: 1ms
memory: 3644kb
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: 3696kb
input:
1979
output:
63
result:
ok 1 number(s): "63"
Test #12:
score: 0
Accepted
time: 1ms
memory: 3564kb
input:
1980
output:
62
result:
ok 1 number(s): "62"
Test #13:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
1981
output:
63
result:
ok 1 number(s): "63"
Test #14:
score: 0
Accepted
time: 0ms
memory: 3704kb
input:
1982
output:
61
result:
ok 1 number(s): "61"
Test #15:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
1983
output:
63
result:
ok 1 number(s): "63"
Test #16:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
1984
output:
64
result:
ok 1 number(s): "64"
Test #17:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
1985
output:
62
result:
ok 1 number(s): "62"
Test #18:
score: 0
Accepted
time: 1ms
memory: 3568kb
input:
1986
output:
62
result:
ok 1 number(s): "62"
Test #19:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
1987
output:
63
result:
ok 1 number(s): "63"
Test #20:
score: 0
Accepted
time: 0ms
memory: 3712kb
input:
1988
output:
62
result:
ok 1 number(s): "62"
Test #21:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
1989
output:
63
result:
ok 1 number(s): "63"
Test #22:
score: 0
Accepted
time: 0ms
memory: 3644kb
input:
1990
output:
63
result:
ok 1 number(s): "63"
Test #23:
score: 0
Accepted
time: 1ms
memory: 3584kb
input:
1991
output:
62
result:
ok 1 number(s): "62"
Test #24:
score: 0
Accepted
time: 1ms
memory: 3652kb
input:
1992
output:
63
result:
ok 1 number(s): "63"
Test #25:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
1993
output:
61
result:
ok 1 number(s): "61"
Test #26:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
1994
output:
63
result:
ok 1 number(s): "63"
Test #27:
score: 0
Accepted
time: 1ms
memory: 3560kb
input:
1995
output:
63
result:
ok 1 number(s): "63"
Test #28:
score: 0
Accepted
time: 0ms
memory: 3708kb
input:
1996
output:
62
result:
ok 1 number(s): "62"
Test #29:
score: 0
Accepted
time: 0ms
memory: 3512kb
input:
1997
output:
62
result:
ok 1 number(s): "62"
Test #30:
score: 0
Accepted
time: 1ms
memory: 3512kb
input:
1998
output:
63
result:
ok 1 number(s): "63"
Test #31:
score: 0
Accepted
time: 0ms
memory: 3560kb
input:
1999
output:
61
result:
ok 1 number(s): "61"
Test #32:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2000
output:
63
result:
ok 1 number(s): "63"
Test #33:
score: 0
Accepted
time: 1ms
memory: 3704kb
input:
2001
output:
63
result:
ok 1 number(s): "63"
Test #34:
score: 0
Accepted
time: 1ms
memory: 3512kb
input:
2002
output:
62
result:
ok 1 number(s): "62"
Test #35:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2003
output:
62
result:
ok 1 number(s): "62"
Test #36:
score: 0
Accepted
time: 1ms
memory: 3696kb
input:
2004
output:
62
result:
ok 1 number(s): "62"
Test #37:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2005
output:
63
result:
ok 1 number(s): "63"
Test #38:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2006
output:
63
result:
ok 1 number(s): "63"
Test #39:
score: 0
Accepted
time: 0ms
memory: 3636kb
input:
2007
output:
63
result:
ok 1 number(s): "63"
Test #40:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
2008
output:
62
result:
ok 1 number(s): "62"
Test #41:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2009
output:
63
result:
ok 1 number(s): "63"
Test #42:
score: 0
Accepted
time: 0ms
memory: 3632kb
input:
2010
output:
61
result:
ok 1 number(s): "61"
Test #43:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
2011
output:
63
result:
ok 1 number(s): "63"
Test #44:
score: 0
Accepted
time: 1ms
memory: 3552kb
input:
2012
output:
64
result:
ok 1 number(s): "64"
Test #45:
score: 0
Accepted
time: 1ms
memory: 3616kb
input:
2013
output:
62
result:
ok 1 number(s): "62"
Test #46:
score: 0
Accepted
time: 1ms
memory: 3564kb
input:
2014
output:
62
result:
ok 1 number(s): "62"
Test #47:
score: 0
Accepted
time: 0ms
memory: 3516kb
input:
2015
output:
63
result:
ok 1 number(s): "63"
Test #48:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2016
output:
62
result:
ok 1 number(s): "62"
Test #49:
score: 0
Accepted
time: 1ms
memory: 3512kb
input:
2017
output:
63
result:
ok 1 number(s): "63"
Test #50:
score: 0
Accepted
time: 1ms
memory: 3712kb
input:
2018
output:
63
result:
ok 1 number(s): "63"
Test #51:
score: 0
Accepted
time: 1ms
memory: 3716kb
input:
2019
output:
62
result:
ok 1 number(s): "62"
Test #52:
score: 0
Accepted
time: 1ms
memory: 3636kb
input:
2020
output:
63
result:
ok 1 number(s): "63"
Test #53:
score: 0
Accepted
time: 1ms
memory: 3644kb
input:
2021
output:
61
result:
ok 1 number(s): "61"
Test #54:
score: 0
Accepted
time: 1ms
memory: 3576kb
input:
2022
output:
63
result:
ok 1 number(s): "63"
Test #55:
score: 0
Accepted
time: 1ms
memory: 3696kb
input:
2024
output:
62
result:
ok 1 number(s): "62"
Test #56:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2025
output:
62
result:
ok 1 number(s): "62"
Test #57:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2026
output:
63
result:
ok 1 number(s): "63"
Test #58:
score: 0
Accepted
time: 1ms
memory: 3700kb
input:
2027
output:
61
result:
ok 1 number(s): "61"
Test #59:
score: 0
Accepted
time: 1ms
memory: 3632kb
input:
2028
output:
63
result:
ok 1 number(s): "63"
Test #60:
score: 0
Accepted
time: 1ms
memory: 3688kb
input:
2029
output:
63
result:
ok 1 number(s): "63"
Test #61:
score: 0
Accepted
time: 1ms
memory: 3508kb
input:
2030
output:
62
result:
ok 1 number(s): "62"
Test #62:
score: 0
Accepted
time: 1ms
memory: 3696kb
input:
2031
output:
62
result:
ok 1 number(s): "62"
Test #63:
score: 0
Accepted
time: 1ms
memory: 3628kb
input:
2032
output:
62
result:
ok 1 number(s): "62"
Test #64:
score: 0
Accepted
time: 1ms
memory: 3700kb
input:
2033
output:
63
result:
ok 1 number(s): "63"
Test #65:
score: 0
Accepted
time: 1ms
memory: 3640kb
input:
2034
output:
63
result:
ok 1 number(s): "63"
Test #66:
score: 0
Accepted
time: 1ms
memory: 3692kb
input:
2035
output:
63
result:
ok 1 number(s): "63"
Test #67:
score: 0
Accepted
time: 0ms
memory: 3696kb
input:
2036
output:
62
result:
ok 1 number(s): "62"
Test #68:
score: 0
Accepted
time: 1ms
memory: 3708kb
input:
2037
output:
63
result:
ok 1 number(s): "63"
Extra Test:
score: 0
Extra Test Passed