用户输出
26
系统信息
Exited with return code 0| 编号 | 题目 | 状态 | 分数 | 总时间 | 内存 | 代码 / 答案文件 | 提交者 | 提交时间 |
|---|---|---|---|---|---|---|---|---|
| #103741 | #1388. 莉可莉丝 | Wrong Answer | 15 | 91 ms | 524 K | C++ 11 / 1.8 K | 2177277017 | 2024-04-21 16:08:36 |
#include <bits/stdc++.h>
#define mk make_pair
const int maxn = 2e3 + 5;
const int inf = 3e8;
using namespace std;
int n, m, head[maxn], tot, pre[maxn], head1[maxn], tot1, sum[maxn], to[maxn];
int dis[maxn], vis[maxn];
int st[maxn], cnt, res, ans = 1e9;
struct node {
int v, w, nxt;
} e[maxn], e1[maxn];
priority_queue<pair<int, int> > q;
void add(int u, int v, int w) {
e[++tot].v = v;
e[tot].nxt = head[u];
e[tot].w = w;
head[u] = tot;
}
void add1(int u, int v, int w) {
e1[++tot1].v = v;
e1[tot1].nxt = head1[u];
e1[tot1].w = w;
head1[u] = tot1;
}
void dijkstra(int v0, int hd[], struct node edge[]) {
for (int i = 1; i <= n; i++) dis[i] = inf, vis[i] = 0, sum[i] = 0, pre[i] = 0;
dis[v0] = 0;
q.push(mk(0, v0));
while (!q.empty()) {
int u = q.top().second;
q.pop();
if (vis[u])
continue;
vis[u] = 1;
for (int i = hd[u]; i; i = edge[i].nxt) {
int v = edge[i].v, w = edge[i].w;
if (dis[v] > dis[u] + w) {
dis[v] = dis[u] + w;
pre[v] = u;
if (to[u] + 1 == to[v])
sum[v] = sum[u];
else
sum[v] = sum[u] + w;
q.push(mk(-dis[v], v));
}
}
}
}
int main() {
scanf("%d %d", &n, &m);
for (int i = 1, x, y, z; i <= m; i++) {
scanf("%d %d %d", &x, &y, &z);
add(x, y, z);
add1(y, x, z);
}
dijkstra(1, head, e);
res = dis[n];
int now = n;
while (now) st[++cnt] = now, to[now] = cnt, now = pre[now];
for (int j = 1; j < cnt; j++) {
int tmp = inf;
for (int i = head1[st[j]]; i; i = e1[i].nxt) {
int v = e1[i].v;
if (v == st[j + 1])
swap(tmp, e1[i].w);
}
dijkstra(n, head1, e1);
for (int i = head1[st[j]]; i; i = e1[i].nxt) {
int v = e1[i].v;
if (v == st[j + 1])
swap(tmp, e1[i].w);
}
int now = 1;
if (dis[1] >= inf)
continue;
ans = min(ans, res + sum[1]);
}
printf("%d\n", ans);
return 0;
}用户输出
8
系统信息
Exited with return code 0用户输出
9
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 050 100
1 2 331
2 3 423
3 4 831
3 5 196
2 6 467
4 7 841
5 8 589
6 9 930
9 10 481
3 11 293
7 12 968
5
<852 bytes omitted>用户输出
4204
系统信息
Exited with return code 050 100
1 2 37
2 3 90
3 4 270
1 5 616
4 6 462
6 7 801
5 8 922
8 9 701
5 10 204
7 11 330
1 12 588
6 13
<840 bytes omitted>用户输出
2235
Special Judge 信息
Files user_out and answer differ
系统信息
Exited with return code 0942 9498
1 2 87293
1 3 92214
3 4 20834
3 5 924
4 6 71171
6 7 66669
6 8 57264
6 9 98803
5 10 52661
7
<129920 bytes omitted>系统信息
Killed: Segmentation fault954 9620
1 2 48928
1 3 77602
2 4 9736
2 5 82149
1 6 14100
2 7 73201
7 8 31260
7 9 82801
2 10 69933
6
<131587 bytes omitted>系统信息
Killed: Segmentation fault946 9136
1 2 3322
1 3 76072
1 4 16527
2 5 9562
5 6 60762
6 7 67224
1 8 88909
7 9 91358
9 10 25363
4
<124859 bytes omitted>系统信息
Killed: Segmentation fault963 9814
1 2 14048
2 3 40980
2 4 76354
1 5 32242
5 6 57710
4 7 74690
3 8 696
2 9 93547
5 10 83686
3
<134310 bytes omitted>系统信息
Killed: Segmentation fault907 9592
1 2 56498
2 3 39992
1 4 97777
3 5 43535
1 6 60669
3 7 8684
6 8 8342
5 9 3341
5 10 54069
3 1
<131170 bytes omitted>系统信息
Killed: Segmentation fault961 9738
1 2 77603
1 3 55107
2 4 94838
1 5 86873
2 6 71895
4 7 42417
7 8 18633
3 9 50720
2 10 8124
2
<133328 bytes omitted>系统信息
Killed: Segmentation fault922 9495
1 2 74386
1 3 46842
1 4 45986
3 5 28221
4 6 813
6 7 9673
5 8 84925
5 9 27070
1 10 28158
6 1
<129894 bytes omitted>系统信息
Killed: Segmentation fault969 9940
1 2 52898
2 3 66949
1 4 33891
1 5 89883
3 6 58933
1 7 43115
6 8 705
1 9 11964
2 10 27082
7
<136015 bytes omitted>系统信息
Killed: Segmentation fault958 9208
1 2 6355
1 3 33442
3 4 5708
1 5 82239
5 6 54649
4 7 90055
1 8 96152
8 9 66805
3 10 2693
9 1
<125934 bytes omitted>系统信息
Killed: Segmentation fault1978 9706
1 2 78441
1 3 93204
1 4 34169
4 5 68390
4 6 68610
2 7 4971
2 8 48605
8 9 41970
4 10 67572
<143038 bytes omitted>系统信息
Killed: Segmentation fault1988 9915
1 2 18876
2 3 50319
2 4 23783
3 5 12278
5 6 52624
2 7 94109
6 8 45323
7 9 85178
3 10 40196
<146223 bytes omitted>系统信息
Killed: Segmentation fault1992 9832
1 2 8550
2 3 74022
2 4 32107
2 5 35012
1 6 63629
4 7 68299
4 8 32176
2 9 52376
7 10 37712
<145210 bytes omitted>系统信息
Killed: Segmentation fault1904 9599
1 2 38275
1 3 8569
2 4 22406
4 5 52940
5 6 90205
4 7 65298
7 8 98943
5 9 69325
6 10 47027
<141327 bytes omitted>系统信息
Killed: Segmentation fault1966 9554
1 2 17891
2 3 8060
3 4 6259
1 5 33026
5 6 71923
6 7 60286
6 8 54211
4 9 29160
9 10 31533
4
<141078 bytes omitted>系统信息
Killed: Segmentation fault