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这次那了一个和fuW并列的第一#xff0c;然而似乎都不是很难。(因为第1题有bug所以满分不了) 成绩
只放Rank 1∼10Rank1∼10RankRankPersonPersonScoreScore112015hjw role=presentation style=position: relative;2015hjw2015hjw19…前言
这次那了一个和fuW并列的第一然而似乎都不是很难。(因为第1题有bug所以满分不了) 成绩
只放Rank 1∼10Rank1∼10Rank\ 1\sim10
RankRankRankPersonPersonPersonScoreScoreScore1112015hjw" role="presentation" style="position: relative;">2015hjw2015hjw2015hjw1931931931112017myself" role="presentation" style="position: relative;">2017myself2017myself2017myself1931931933332017xjq" role="presentation" style="position: relative;">2017xjq2017xjq2017xjq1361361364442015zyf" role="presentation" style="position: relative;">2015zyf2015zyf2015zyf1291291295552017zyc" role="presentation" style="position: relative;">2017zyc2017zyc2017zyc1011011016662017lw" role="presentation" style="position: relative;">2017lw2017lw2017lw8686867772017lrz" role="presentation" style="position: relative;">2017lrz2017lrz2017lrz8484848882017hjq" role="presentation" style="position: relative;">2017hjq2017hjq2017hjq7979798882015trx" role="presentation" style="position: relative;">2015trx2015trx2015trx7979791010102015yjy2015yjy2015yjy555555 正题 T1:nssl1148,jzoj5461−T1:nssl1148,jzoj5461−T1:nssl1148,jzoj5461-购物【可撤回贪心,,,堆】博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82713862nssl1149,jzoj5455#x2212;" role="presentation" style="position: relative;">nssl1149,jzoj5455−nssl1149,jzoj5455−nssl1149,jzoj5455-拆网线【贪心】
博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82714314 nssl1150,jzoj5309−nssl1150,jzoj5309−nssl1150,jzoj5309-密室【分层建图,SPFA,SPFA,SPFA】
博客链接:https://blog.csdn.net/Mr_wuyongcong/article/details/82714434 一些codecodecode 一些code T1 93(AC)代码
#includecstdio
#includealgorithm
#define N 50010
using namespace std;
struct node{long long w,sct,num;
}a[2*N];
long long n,k,m,p,q,ans;
bool v[N];
bool cmp(node x,node y)
{return x.wy.w;}
int main()
{scanf(%lld%lld%lld,n,k,m);for(long long i1;in;i){scanf(%lld%lld,p,q);a[i](node){p,0,i};a[in](node){q,1,i};}sort(a1,a12*n,cmp);for(long long i1;i2*n;i){if(ma[i].w!v[a[i].num](!a[i].sct||k)){ans;m-a[i].w;v[a[i].num]true;if(a[i].sct) k--;}}printf(%lld,ans);
} T2 5分代码
#includecstdio
#includecstring
#includealgorithm
#define N 100010
using namespace std;
struct node{int to,next;
}a[N*2];
int ls[N],t,n,k,x,f[N][2],tot;
void addl(int x,int y)
{a[tot].toy;a[tot].nextls[x];ls[x]tot;a[tot].tox;a[tot].nextls[y];ls[y]tot;
}
void dp(int x,int fa)
{int mark0;for(int ils[x];i;ia[i].next){int ya[i].to;if(yfa) continue;dp(y,x);f[x][1]f[y][0];if(f[y][1]-f[y][0]f[mark][1]-f[mark][0]) marky;}f[x][0]f[x][1]f[mark][1]-f[mark][0];f[x][1];
}
int main()
{scanf(%d,t);for(int ti1;tit;ti){memset(f,0,sizeof(f));memset(ls,0,sizeof(ls));scanf(%d%d,n,k);tot0;for(int i1;in;i){scanf(%d,x);addl(i1,x);}dp(1,0);int ansf[1][0];if(ans*2k) printf(%d\n,(k1)/2);else printf(%d,ans(k-ans*2));}
} T3 95分代码
#includecstdio
#includedeque
#define p(x,y) x*ny
#define N 5010
#define M 6010
#define MS 1024
using namespace std;
struct node{int to,next;bool w;
}a[MS*(NM)];
int n,m,k,x,y,w,MAX_State,d[N*MS],tot,ls[N*MS];
dequeint q;
void addl(int x,int y,int w)
{a[tot].toy;a[tot].nextls[x];a[tot].ww;ls[x]tot;
}
void bfs()
{q.push_back(p(0,1));d[p(0,1)]1;while(!q.empty()){int xq.front();q.pop_front();for(int ils[x];i;ia[i].next){int ya[i].to;//if(y%n0)// printf(%d\n,y);if(!d[y]){d[y]d[x]a[i].w;if(a[i].w0) q.push_front(y);else q.push_back(y); }}}
}
int main()
{scanf(%d%d%d,n,m,k);MAX_State1k;for(int i1;in;i)for(int j1;jk;j){scanf(%d,x);if(x){for(int state0;stateMAX_State;state)if(!(state(1(j-1))))addl(p(state,i),p((state|(1(j-1))),i),0);}}for(int i1;im;i){int state0;scanf(%d%d,x,y);for(int i1;ik;i){scanf(%d,w);statew(i-1);}for(int j0;jMAX_State;j)if((jstate)state)addl(p(j,x),p(j,y),1);}bfs();int ans;ans2147483647;for(int j0;jMAX_State;j)if(d[p(j,n)])ansmin(ans,d[p(j,n)]);if(ans2147483647) printf(No Solution);else printf(%d,ans-1);
} 尾声
依旧没了
