AtCoder/ABC001

atcoder/abc001/A/main.cpp

@@ -0,0 +1,15 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = long long;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    int H1, H2;
+    cin >> H1 >> H2;
+    cout << (H1 - H2) << endl;
+
+    return 0;
+}

atcoder/abc001/B/main.cpp

@@ -0,0 +1,28 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = long long;
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    int m;
+    cin >> m;
+    if (m < 100) {
+        cout << "00" << endl;
+    } else if (m <= 5000) {
+        int vv = m / 100;
+        cout << setw(2) << setfill('0') << vv << endl;
+    } else if (m <= 30000) {
+        int vv = m / 1000 + 50;
+        cout << vv << endl;
+    } else if (m <= 70000) {
+        int vv = (m / 1000 - 30) / 5 + 80;
+        cout << vv << endl;
+    } else {
+        cout << 89 << endl;
+    }
+
+    return 0;
+}

atcoder/abc001/C/main.cpp

@@ -0,0 +1,46 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = long long;
+
+int power(int dis) {
+     vector<int> ps = { 24, 154, 334, 544, 794, 1074, 1384, 1714, 2074, 2444, 2844, 3264 };
+     assert(ps.size() == 12);
+     for (int i = 0; i < 12; ++i) {
+         if (dis * 100 <= ps[i] * 60) return i;
+     }
+     return 12;
+}
+
+string direction(int deg) {
+    vector<int> ds = {
+        112, 337, 562, 787, 1012, 1237, 1462, 1687, 1912, 2137, 2362, 2587, 2812, 3037, 3262, 3487
+    };
+    vector<string> ss = {
+        "N", "NNE", "NE", "ENE", "E", "ESE", "SE", "SSE", "S", "SSW", "SW", "WSW", "W", "WNW", "NW", "NNW"
+    };
+    assert(ds.size() == ss.size());
+    for (int i = 0; i < ds.size(); ++i) {
+        if (deg <= ds[i]) return ss[i];
+    }
+    return "N";
+}
+
+vector<string> solve(int deg, int dis) {
+    string ans;
+    int wp = power(dis);
+    string dir = wp > 0 ? direction(deg) : "C";
+    return { dir, to_string(wp) };
+}
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    int deg, dis;
+    cin >> deg >> dis;
+    auto ans = solve(deg, dis);
+    cout << ans[0] << " " << ans[1] << endl;
+
+    return 0;
+}

atcoder/abc001/D/main.cpp

@@ -0,0 +1,63 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+using ll = long long;
+
+int N;
+vector<vector<int>> A;
+
+vector<vector<int>> solve() {
+    vector<int> ts(24*60+2, 0);
+
+    for (int i = 0; i < N; ++i) {
+        int s = A[i][0], e = A[i][1];
+        if (s % 5 > 0) s = s - s % 5;
+        if (e % 5 > 0) e = e - e % 5 + 5;
+        int ss = (s / 100) * 60 + (s % 100);
+        int ee = (e / 100) * 60 + (e % 100);
+        ts[ss] += 1;
+        ts[ee] -= 1;
+    }
+    for (int i = 1; i < ts.size(); ++i) {
+        ts[i] += ts[i-1];
+    }
+
+    vector<vector<int>> ans;
+    int s = 0;
+    bool rain = false;
+    for (int t = 0; t < ts.size(); ++t) {
+        if (!rain && ts[t] > 0) {
+            s = t;
+            rain = true;
+        }
+        if (rain && ts[t] == 0) {
+            rain = false;
+            int ss = (s / 60) * 100 + (s % 60);
+            int ee = (t / 60) * 100 + (t % 60);
+            ans.push_back({ ss, ee });
+        }
+    }
+    return ans;
+}
+
+int main() {
+    ios_base::sync_with_stdio(false);
+    cin.tie(0); cout.tie(0);
+
+    cin >> N;
+    for (int i = 0; i < N; ++i) {
+        string se;
+        cin >> se;
+        string s = se.substr(0, 4);
+        string e = se.substr(5, 4);
+        A.push_back({ stoi(s), stoi(e) });
+    }
+
+    auto ans = solve();
+    for (int i = 0; i < ans.size(); ++i) {
+        cout << setw(4) << setfill('0') << ans[i][0]
+             << "-" << setw(4) << setfill('0') << ans[i][1] << endl;
+    }
+
+    return 0;
+}