网络同步做了半个小时,然后就拉肚子了……嗯……
A:不解释……5min 1A
1 #include <algorithm> 2 #include <iostream> 3 #include <iomanip> 4 #include <cstring> 5 #include <climits> 6 #include <complex> 7 #include <fstream> 8 #include <cassert> 9 #include <cstdio> 10 #include <bitset> 11 #include <vector> 12 #include <deque> 13 #include <queue> 14 #include <stack> 15 #include <ctime> 16 #include <set> 17 #include <map> 18 #include <cmath> 19 20 inline int max(int a, int b) { 21 return a > b ? a : b; 22 } 23 24 int main() { 25 int T; 26 int a, b; 27 scanf("%d", &T); 28 while(T--) { 29 scanf("%d%d", &a, &b); 30 int xx = max(a, b); 31 if(xx * 5 < 1000) { 32 printf("1000\n"); 33 } 34 else if(xx * 5 >= 60000) { 35 printf("60000\n"); 36 } 37 else { 38 printf("%d\n", xx * 5); 39 } 40 } 41 }
A
B:看样例,看看代码里面奇怪的地方,不解释……1min 1A
1 #include <algorithm> 2 #include <iostream> 3 #include <iomanip> 4 #include <cstring> 5 #include <climits> 6 #include <complex> 7 #include <fstream> 8 #include <cassert> 9 #include <cstdio> 10 #include <bitset> 11 #include <vector> 12 #include <deque> 13 #include <queue> 14 #include <stack> 15 #include <ctime> 16 #include <set> 17 #include <map> 18 #include <cmath> 19 20 inline int max(int a, int b) { 21 return a > b ? a : b; 22 } 23 24 int main() { 25 int T; 26 scanf("%d", &T); 27 while(T--) { 28 int n; 29 scanf("%d", &n); 30 printf("%d\n", -n); 31 } 32 return 0; 33 }
B
C:读错题了好几次,贪心起始时间,然后从头开始走,看当前时间是否已经布置了作业。如果布置了那么就不加间隔时间,没布置要加上间隔时间…… 20min 3A
1 #include <algorithm> 2 #include <iostream> 3 #include <iomanip> 4 #include <cstring> 5 #include <climits> 6 #include <complex> 7 #include <fstream> 8 #include <cassert> 9 #include <cstdio> 10 #include <bitset> 11 #include <vector> 12 #include <deque> 13 #include <queue> 14 #include <stack> 15 #include <ctime> 16 #include <set> 17 #include <map> 18 #include <cmath> 19 20 using namespace std; 21 22 typedef struct QAQ { 23 int a; 24 int b; 25 }Q; 26 27 bool cmp(Q x, Q y) { 28 if(x.a == y.a) { 29 return x.b < y.b; 30 } 31 return x.a < y.a; 32 } 33 34 const int maxn = 1111; 35 int n, t; 36 Q q[maxn]; 37 38 int main() { 39 // freopen("in", "r", stdin); 40 int Qrz; 41 scanf("%d", &Qrz); 42 while(Qrz--) { 43 scanf("%d", &n); 44 for(int i = 0; i < n; i++) { 45 scanf("%d %d", &q[i].a, &q[i].b); 46 } 47 sort(q, q+n, cmp); 48 t = 0; 49 int cur = 0; 50 int cnt = 0; 51 if(q[0].a > 0) { 52 t += q[0].a + q[0].b; 53 cnt++; 54 cur = q[0].a; 55 } 56 for(cnt; cnt < n; cnt++) { 57 if(t >= q[cnt].a) { 58 t += q[cnt].b; 59 cur += q[cnt].a; 60 } 61 else { 62 t += (q[cnt].a - t) + q[cnt].b; 63 } 64 } 65 printf("%d\n", t); 66 } 67 return 0; 68 }
C
D:以前做过类似的题(doge那个…),KMP可以搞,O(n)也可以搞,随意了…… 10min 1A
1 #include <algorithm> 2 #include <iostream> 3 #include <iomanip> 4 #include <cstring> 5 #include <climits> 6 #include <complex> 7 #include <fstream> 8 #include <cassert> 9 #include <cstdio> 10 #include <bitset> 11 #include <vector> 12 #include <deque> 13 #include <queue> 14 #include <stack> 15 #include <ctime> 16 #include <set> 17 #include <map> 18 #include <cmath> 19 20 using namespace std; 21 22 const int maxn = 66666; 23 int na; 24 char a[maxn]; 25 char* b = "QAQ"; 26 int nb = strlen(b); 27 int pre[maxn]; 28 29 void getpre(char *b, int *pre) { 30 int j, k; 31 pre[0] = -1; 32 j = 0; 33 k = -1; 34 while(j < nb) { 35 if(k == -1 || b[j] == b[k]) { 36 j++; 37 k++; 38 pre[j] = k; 39 } 40 else { 41 k = pre[k]; 42 } 43 } 44 } 45 46 int kmp() { 47 int ans = 0; 48 int i = 0; 49 int j = 0; 50 while(i < na) { 51 if(j == -1 || a[i] == b[j]) { 52 i++; 53 j++; 54 } 55 else { 56 j = pre[j]; 57 } 58 if(j == nb) { 59 ans++; 60 } 61 } 62 return ans; 63 } 64 65 int main() { 66 getpre(b, pre); 67 int T; 68 scanf("%d", &T); 69 while(T--) { 70 memset(a, 0, sizeof(a)); 71 scanf("%s", a); 72 na = strlen(a); 73 printf("%d\n", kmp()); 74 75 } 76 return 0; 77 }
D
H:四边形对顶角互补,因此任意四边形均可密铺,Q神永远很happy…… ∞min 1A
1 #include <algorithm> 2 #include <iostream> 3 #include <iomanip> 4 #include <cstring> 5 #include <climits> 6 #include <complex> 7 #include <fstream> 8 #include <cassert> 9 #include <cstdio> 10 #include <bitset> 11 #include <vector> 12 #include <deque> 13 #include <queue> 14 #include <stack> 15 #include <ctime> 16 #include <set> 17 #include <map> 18 #include <cmath> 19 20 using namespace std; 21 22 typedef long long LL; 23 24 int main() { 25 int T; 26 LL x1,x2,x3,x4,y1,y2,y3,y4; 27 scanf("%d",&T); 28 while(T--) { 29 scanf("%lld %lld %lld %lld %lld %lld %lld %lld",&x1, &y1, &x2, &y2, &x3, &y3, &x4, &y4); 30 printf("BQG is happy!\n"); 31 } 32 return 0; 33 }
H
下面是理论AK阶段……
E:处理字串,先找一遍数字和匹配一遍"(n"以及"(log"字样,(可以胡来也可以ac自动机),接着把数字处理出来就可以AC啦……
F:嗯…是个数学题,找找规律胡搞一下肯定能过……
G:一定是个贪心+二分……胡搞一定能过……
时间: 2024-11-08 03:32:23