rt,在UVA上交到无语。一直WA,在uDebug上也没找出错。求dalao帮助
#include <cstdio>
#include <cctype>
#include <cstring>
#include <queue>
#include <utility>
#include <vector>
namespace quick {
#define tp template<typename Type>
namespace in {
inline char getc() {
static char buf[1<<21],*p1=buf,*p2=buf;
return p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++;
}
inline int read(char *s) {
*s=getc();
while(isspace(*s)) {*s=getc();if(*s==EOF) return 0;}
while(!isspace(*s)&&*s!=EOF) {s++;*s=getc();}
*s='\0'; return 1;
}
tp inline int read(Type &x) {
x=0;bool k=false;char c=getc();
while(!isdigit(c)) {k|=(c=='-');c=getc();if(c==EOF) return 0;}
while(isdigit(c)) {x=(x<<1)+(x<<3)+(c^48);c=getc();}
x*=(k?-1:1); return 1;
}
template <typename Type,typename... Args>
inline int read(Type &t,Args &...args) {
int res=0;
res+=read(t);res+=read(args...);
return res;
}
}
using in::read;
namespace out {
char buf[1<<21];int p1=-1;const int p2=(1<<21)-1;
inline void flush() {
fwrite(buf,1,p1+1,stdout);
p1=-1;
}
inline void putc(const char &c) {
if(p1==p2) flush();
buf[++p1]=c;
}
inline void write(char *s) {
while(*s!='\0') putc(*s),s++;
}
inline void write(const char *s) {
while(*s!='\0') putc(*s),s++;
}
tp inline void write(Type x) {
static char buf[30];int p=-1;
if(x<0) {putc('-');x=-x;}
if(x==0) putc('0');
else for(;x;x/=10) buf[++p]=x%10+48;
for(;p!=-1;p--) putc(buf[p]);
}
inline void write(const char &c) {putc(c);}
template <typename Type,typename... Args>
inline void write(Type t,Args ...args) {
write(t);write(args...);
}
}
using out::write;
using out::flush;
tp inline Type max(const Type &a,const Type &b) {
if(a<b) return b;
return a;
}
tp inline Type min(const Type &a,const Type &b) {
if(a<b) return a;
return b;
}
tp inline void swap(Type &a,Type &b) {
a^=b^=a^=b;
}
tp inline Type abs(const Type &a) {
return a>=0?a:-a;
}
#undef tp
}
using namespace quick;
typedef long long ll;
const ll Inf=0x3f3f3f3f3f3f3f3f;
const int maxn=1000+10,maxm=10000+10,inf=0x3f3f3f3f;
int n,m;ll L;
namespace Graph {
struct Edge {
int v,next;
ll w;
std::vector<int> InTree;
Edge(const int &v,const int &next,const ll &w)
:v(v),next(next),w(w) {}
Edge() {}
}e[maxm<<1];
int head[maxn],cnt;
inline void clear() {
for(int i(2);i<=cnt;i++) e[i].InTree.clear();
memset(head,0,sizeof(int)*(n+5));
cnt=1;
}
inline void AddEdge(const int &u,const int &v,const ll &w) {
e[++cnt]=Edge(v,head[u],w);
head[u]=cnt;
e[++cnt]=Edge(u,head[v],w);
head[v]=cnt;
}
ll d[maxn][maxn];
inline void Dijkstra(const int &s,ll *d,const int &cut_edge=0) {
typedef std::pair<ll,int> pii;
static char vis[maxn];
static std::priority_queue< pii, std::vector<pii>, std::greater<pii> > q;
memset(vis,0x0,sizeof(char)*(n+5));
memset(d,0x3f,sizeof(ll)*(n+5));
d[s]=0;q.push(std::make_pair(d[s],s));
while(!q.empty()) {
int u=q.top().second;
q.pop();
if(!~vis[u]) continue;
vis[u]=0xff;
for(int i(head[u]);i;i=e[i].next) {
const int &v=e[i].v;
if(i==cut_edge||i==(cut_edge^1)) continue;
if(d[u]+e[i].w<d[v]) {
d[v]=d[u]+e[i].w;
q.push(std::make_pair(d[v],v));
}
}
}
for(int i(1);i<=n;i++) if(d[i]==Inf) d[i]=L;
}
void Build(const int &u,const int &fa,const int &s,ll *d) {
for(int i(head[u]);i;i=e[i].next) {
const int &v=e[i].v;
if(v==fa) continue;
if(d[u]+e[i].w==d[v]) {
e[i].InTree.push_back(s);
e[i^1].InTree.push_back(s);
Build(v,u,s,d);
}
}
}
std::pair<ll,ll> solve() {
ll c=0,now=0;
for(int i(1);i<=n;i++) {
Dijkstra(i,d[i]);
Build(i,0,i,d[i]);
for(int j(1);j<=n;j++)
c+=d[i][j];
}
for(int i(2);i<=cnt;i+=2) {
static char changed[maxn];
static ll tmp_d[maxn];
memset(changed,0x0,sizeof(char)*(n+5));
ll tmp=0;
for(const auto &j: e[i].InTree) {
changed[j]=0xff;
Dijkstra(j,tmp_d,i);
for(int k(1);k<=n;k++)
tmp+=tmp_d[k];
}
for(int j(1);j<=n;j++) {
if(!~changed[j]) continue;
for(int k(1);k<=n;k++)
tmp+=d[j][k];
}
now=max(now,tmp);
}
return std::make_pair(c,now);
}
}
int main(void) {
#ifndef ONLINE_JUDGE
freopen("wf.in","r",stdin);
#endif
while(read(n,m,L)) {
Graph::clear();
for(int i(1);i<=m;i++) {
int u,v;ll w;
read(u,v,w);
Graph::AddEdge(u,v,w);
}
std::pair<ll,ll> ans=Graph::solve();
write(ans.first,' ',ans.second,'\n');
}
flush();
return 0;
}