Add 1316, 2908, 5622

Author: witheunjin

BaekJoon/1316_그룹단어체커.cpp

@@ -0,0 +1,30 @@
+
+#include <iostream>
+#include <bitset>
+using namespace std;
+
+bool group(string str) {
+    bitset<26> bits;
+    char pin = str[0];
+    bits.set(str[0]-97);
+    for(int i=1; i<str.length(); i++) {
+        int val = str[i] - 97;
+        if(pin == str[i]) continue;
+        if(pin != str[i] && bits.test(val)) return false;
+        else if(pin != str[i] && !bits.test(val)) bits.set(val);
+        pin = str[i];
+    }
+    return true;
+}
+
+int main() {
+    int n; cin>>n;
+    string word;
+    int cnt = 0;
+    for(int i=0; i<n; ++i) {
+        cin >> word;
+        if(group(word)) cnt++;
+    }
+    cout<<cnt;
+    return 0;
+}

BaekJoon/2908_상수.cpp

@@ -0,0 +1,16 @@
+
+#include <iostream>
+#include <string>
+#include <algorithm>
+using namespace std;
+
+int main() {
+    string first;
+    string second;
+    cin>>first>>second;
+    reverse(first.begin(), first.end());
+    reverse(second.begin(), second.end());
+    if(stoi(first) > stoi(second)) cout<<first;
+    else cout<<second;
+    return 0;
+}

BaekJoon/5622_다이얼.cpp

@@ -0,0 +1,25 @@
+#include <iostream>
+using namespace std;
+
+int dial(char c) {
+    int val = (int)c -65;
+    if(val/3 == 0) return 3;
+    if(val/3 == 1) return 4;
+    if(val/3 == 2) return 5;
+    if(val/3 == 3) return 6;
+    if(val/3 == 4) return 7;
+    if(15<= val && val<=18) return 8;
+    if(19<= val && val<=21) return 9;
+    if(22<=val && val<=25) return 10;
+    return 0;
+}
+int main() {
+    string input;
+    Cin >> input;
+    int time = 0;
+    for(int i=0; i<input.length(); i++) {
+        time += dial(input[i]);
+    }
+    cout<<time;
+    return 0;
+}

BaekJoon/README.md

@@ -37,9 +37,9 @@ https://www.acmicpc.net/
 |**1330**|**두 수 비교하기**|2020.04.26|1|
 |**14681**|**사분면 고르기**|2020.04.26|1|
 |**1152**|**단어의 개수**|2020.08.15|1|
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+|**2908**|**상수**|2020.08.16|2|
+|**5622**|**다이얼**|2020.08.16|4|
+|**1316**|**크로아티아 알파벳**|2020.08.16|2|
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