이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <iostream>
#include <string>
#include <math.h>
int f[100005][4][4][4];
int n;
std::string s;
int shipment[100005];
int calc(int a, int b, int c) {
int ret = 0;
if (a == 1 || b == 1 || c == 1) {
ret++;
}
if (a == 2 || b == 2 || c == 2) {
ret++;
}
if (a == 3 || b == 3 || c == 3) {
ret++;
}
return ret;
}
int main () {
std::cin >> n;
std::cin >> s;
for (int i = 1; i <= n; i++) {
if (s[i - 1] == 'M') {
shipment[i] = 1;
}
else if (s[i - 1] == 'B') {
shipment[i] = 2;
}
else {
shipment[i] = 3;
}
}
for (int i = 0; i <= n; i++) {
for (int a = 0; a <= 3; a++) {
for (int b = 0; b <= 3; b++) {
for (int c = 0; c <= 3; c++) {
f[i][a][b][c] = -1;
}
}
}
}
f[0][0][0][0] = 0;
for (int i = 0; i < n; i++) {
for (int a = 0; a <= 3; a++) {
for (int b = 0; b <= 3; b++) {
for (int c = 0; c <= 3; c++) {
if (f[i][a][b][c] == -1) {
continue;
}
f[i + 1][shipment[i]][b][c] = std::max(f[i + 1][shipment[i]][b][c], f[i][a][b][c] + calc(shipment[i], shipment[i + 1], a));
f[i + 1][c][a][shipment[i]] = std::max(f[i + 1][c][a][shipment[i]], f[i][a][b][c] + calc(shipment[i + 1], b, c));
}
}
}
}
int ans = -1;
for (int a = 0; a <= 3; a++) {
for (int b = 0; b <= 3; b++) {
for (int c = 0; c <= 3; c++) {
ans = std::max(ans, f[n][a][b][c]);
}
}
}
std::cout << ans;
return 0;
}
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |
# | Verdict | Execution time | Memory | Grader output |
---|
Fetching results... |