#include<stdio.h>
int days[12] = { 0, 0, 0, 31, 30, 31, 30, 31, 31, 30, 31, 30 }, N, bloom[276] = { 0 }, flower[275] = { 0 }, cnt = 0;
int main(){
int m1, d1, m2, d2, rise, fall, front=0, theday;
scanf("%d", &N);
for (int i = 0; i < N; ++i){
scanf("%d %d %d %d", &m1, &d1, &m2, &d2);
if (m1 > 11 || m2 < 3) continue;
rise = 1;
fall = 275;
if (m1 >= 3){
rise = d1;
for (int m = 3; m < m1; ++m)
rise += days[m];
}
if (m2 <= 11){
fall = d2 - 1;
for (int m = 3; m < m2; ++m)
fall += days[m];
}
if (bloom[rise]<fall) bloom[rise] = fall;
}
for (int day = 1; day < 276; ++day){
if (front==0 || bloom[flower[front - 1]] < bloom[day]) flower[front++] = day;
}
if (flower[0]>1){
printf("0\n");
return 0;
}
for (int k = front-1; k >= 0; --k){
int j;
++cnt;
if (k == 0) break;
for (j = k; j > 0; --j){
if (bloom[flower[j-1]] < flower[k]-1) break;
}
if (j && j == k) {
printf("0\n");
return 0;
}
k = j + 1;
}
printf("%d\n", cnt);
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
1088 KB |
Output isn't correct |
2 |
Correct |
0 ms |
1088 KB |
Output is correct |
3 |
Correct |
0 ms |
1088 KB |
Output is correct |
4 |
Correct |
0 ms |
1088 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
1088 KB |
Output is correct |
2 |
Correct |
0 ms |
1088 KB |
Output is correct |
3 |
Correct |
0 ms |
1088 KB |
Output is correct |
4 |
Correct |
0 ms |
1088 KB |
Output is correct |
5 |
Correct |
0 ms |
1088 KB |
Output is correct |
6 |
Correct |
4 ms |
1088 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1088 KB |
Output is correct |
2 |
Correct |
8 ms |
1088 KB |
Output is correct |
3 |
Correct |
12 ms |
1088 KB |
Output is correct |
4 |
Correct |
4 ms |
1088 KB |
Output is correct |
5 |
Correct |
20 ms |
1088 KB |
Output is correct |
6 |
Correct |
20 ms |
1088 KB |
Output is correct |
7 |
Correct |
24 ms |
1088 KB |
Output is correct |
8 |
Correct |
36 ms |
1088 KB |
Output is correct |
9 |
Correct |
40 ms |
1088 KB |
Output is correct |
10 |
Correct |
32 ms |
1088 KB |
Output is correct |