Solve 16673, 21965, 1543

Author: SkyLightQP

P1543.cpp

@@ -0,0 +1,39 @@
+/*
+ * Baekjoon - 문서 검색
+ * https://www.acmicpc.net/problem/1543
+ * 2022년 01월 21일
+ */
+
+#include <iostream>
+#include <string>
+
+using namespace std;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(NULL);
+    cout.tie(NULL);
+
+    string origin, search;
+    getline(cin, origin);
+    getline(cin, search);
+
+    int res = 0;
+    for (int i = 0; i < origin.size(); ++i) {
+        bool flag = true;
+        for (int j = 0; j < search.size(); ++j) {
+            if (origin[i + j] != search[j]) {
+                flag = false;
+                break;
+            }
+        }
+        if (flag) {
+            res++;
+            i += search.size() - 1;
+        }
+    }
+
+    cout << res;
+
+    return 0;
+}

P16673.py

@@ -0,0 +1,5 @@
+C, K, P = map(int, input().split(' '))
+sum = 0
+for i in range(C):
+    sum += K * (i+1) + P * pow(i+1, 2)
+print(sum)

P21965.cpp

@@ -0,0 +1,47 @@
+/*
+ * Baekjoon - 드높은 남산 위에 우뚝 선
+ * https://www.acmicpc.net/problem/21965
+ * 2022년 01월 21일
+ */
+
+#include <iostream>
+#include <algorithm>
+
+using namespace std;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(NULL);
+    cout.tie(NULL);
+
+    int N;
+    int arr[100001];
+    int tmp = 0;
+    bool over = false;
+
+    cin >> N;
+
+    for (int i = 0; i < N; ++i) {
+        cin >> arr[i];
+        tmp = max(tmp, arr[i]);
+    }
+
+    for (int i = 0; i < N - 1; ++i) {
+        if (arr[i] == tmp) over = true;
+        if (over) {
+            if (arr[i + 1] >= arr[i]) {
+                cout << "NO";
+                return 0;
+            }
+        } else {
+            if (arr[i + 1] <= arr[i]) {
+                cout << "NO";
+                return 0;
+            }
+        }
+    }
+
+    cout << "YES";
+
+    return 0;
+}

README.md

@@ -4,13 +4,16 @@
 
 | 날짜       | 티어                                                                 | 문제                                                                               | 소스                       |
 | ---------- | -------------------------------------------------------------------- | ---------------------------------------------------------------------------------- | -------------------------- |
-| 2022-01-17 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [4619 루트](https://www.acmicpc.net/problem/4619)                                  | [P4619.cpp](./P4619.cpp)   |
-| 2022-01-17 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [11008 복붙의 달인](https://www.acmicpc.net/problem/11008)                         | [P11008.py](./P11008.py)   |
-| 2022-01-18 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [14568 2017 연세대학교 프로그래밍 경시대회](https://www.acmicpc.net/problem/14568) | [P14568.cpp](./P14568.cpp) |
-| 2022-01-18 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [2851 슈퍼 마리오](https://www.acmicpc.net/problem/2851)                           | [P2851.cpp](./P2851.cpp)   |
-| 2022-01-19 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [22938 백발백준하는 명사수](https://www.acmicpc.net/problem/22938)                 | [P22938.py](./P22938.py)   |
-| 2022-01-19 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [16495 열 순서](https://www.acmicpc.net/problem/16495)                             | [P16495.py](./P16495.py)   |
+| 2022-01-21 | <img src="https://static.solved.ac/tier_small/7.svg" height="14px"/> | [1543 문서 검색](https://www.acmicpc.net/problem/1543)                             | [P1543.cpp](./P1543.cpp)   |
+| 2022-01-21 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [21965 드높은 남산 위에 우뚝 선](https://www.acmicpc.net/problem/21965)            | [P21965.cpp](./P21965.cpp) |
+| 2022-01-21 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [16673 고려대학교에는 공식 와인이 있다](https://www.acmicpc.net/problem/16673)     | [P16673.py](./P10833.py)   |
 | 2022-01-20 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [10833 사과](https://www.acmicpc.net/problem/10833)                                | [P10833.cpp](./P10833.cpp) |
+| 2022-01-19 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [16495 열 순서](https://www.acmicpc.net/problem/16495)                             | [P16495.py](./P16495.py)   |
+| 2022-01-19 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [22938 백발백준하는 명사수](https://www.acmicpc.net/problem/22938)                 | [P22938.py](./P22938.py)   |
+| 2022-01-18 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [2851 슈퍼 마리오](https://www.acmicpc.net/problem/2851)                           | [P2851.cpp](./P2851.cpp)   |
+| 2022-01-18 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [14568 2017 연세대학교 프로그래밍 경시대회](https://www.acmicpc.net/problem/14568) | [P14568.cpp](./P14568.cpp) |
+| 2022-01-17 | <img src="https://static.solved.ac/tier_small/5.svg" height="14px"/> | [11008 복붙의 달인](https://www.acmicpc.net/problem/11008)                         | [P11008.py](./P11008.py)   |
+| 2022-01-17 | <img src="https://static.solved.ac/tier_small/3.svg" height="14px"/> | [4619 루트](https://www.acmicpc.net/problem/4619)                                  | [P4619.cpp](./P4619.cpp)   |
 
 ## 2020