P1167 刷题

R52536339

Luogu/problem/P1167/P1167.cpp

@@ -0,0 +1,32 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+time_t getTime() {
+    tm t;
+    scanf("%d-%d-%d-%d:%d", &t.tm_year, &t.tm_mon, &t.tm_mday, &t.tm_hour, &t.tm_min);
+    t.tm_year -= 1900;
+    t.tm_mon -= 1;
+    t.tm_isdst = t.tm_sec = 0;
+    return mktime(&t);
+}
+
+int main() {
+    time_t time_start, time_end, time_left;
+    int n, a[5005], ans = 0;
+    cin >> n;
+    for (int i = 0; i < n; i++) {
+        cin >> a[i];
+    }
+    time_start = getTime();
+    time_end = getTime();
+    time_left = (time_end - time_start) / 60;
+    sort(a, a + n);
+    for (int i = 0; i < n; i++) {
+        time_left -= a[i];
+        if (time_left < 0) break;
+        ans++;
+    }
+    cout << ans << endl;
+    return 0;
+}