102 条题解
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data-timestamp="1676686235">2023-2-18 2:10:35</span> </div> <div class="dczcomments__operations nojs--hide"> <a href="javascript:;" data-tooltip="复制链接" data-copylink="/p/968/solution/63f0339bfe582d833fbeaa4c"> <span class="icon icon-link"></span> </a> <a href="javascript:;" data-tooltip="回复" data-op="reply" data-type="comment" data-form="{"operation":"reply","psid":"63f0339bfe582d833fbeaa4c"}" ><span class="icon icon-reply"></span></a> <a href="javascript:;" data-tooltip="编辑" data-op="edit" data-type="comment" data-form="{"operation":"edit_solution","psid":"63f0339bfe582d833fbeaa4c"}" ><span class="icon icon-edit"></span></a> <a href="javascript:;" data-tooltip="删除" data-op="delete" data-type="comment" data-form="{"operation":"delete_solution","psid":"63f0339bfe582d833fbeaa4c"}" ><span class="icon icon-delete"></span></a> </div> </div> <div class="typo" data-emoji-enabled data-raw-url="/p/968/solution/63f0339bfe582d833fbeaa4c/raw"> <pre><code>#include<bits/stdc++.h> using namespace std; int main(){ char a; cin>>a; int v; v=int(a); a=a+32; printf("%c",a); return 0; } </code></pre> </div> <div class="commentbox-edit-target"></div> <ul class="dczcomments__replies commentbox-reply-target"></ul> </div> </div> </li> <li class="dczcomments__item"> <div class="media"> <div class="media__left top"> <div class="vote vote--discussion"> <div class="vote-number rotator--enabled">1</div> <form method="post" class="vote-op clearfix"> <input type="hidden" name="psid" value="635cde3a6248fb90a939b2e6"> <button type="submit" name="operation" value="upvote" class="vote-button upvote active" data-tooltip="好评" data-tooltip-pos="bottom center" aria-label="好评"><span class="icon icon-vote--up"></span></button> <button type="submit" name="operation" value="downvote" class="vote-button downvote" data-tooltip="差评" data-tooltip-pos="bottom center" aria-label="差评"><span class="icon icon-vote--down"></span></button> </form> </div> </div> <div class="media__body top"> <div class="clearfix"> <div class="supplementary dczcomments__supplementary"> <span class="user-profile-link"> <img class="small user-profile-avatar v-center" loading="lazy" src="//q1.qlogo.cn/g?b=qq&nk=510912216&s=160" width="20" height="20"> <a class="user-profile-name" href="/user/202"> 汤涵棋 (202420502) </a> <a class="user-profile-badge v-center badge--lv4" href="/user/202" data-tooltip="LV 4: Top 40%">LV 4</a> </span> @ <span class="time relative" data-timestamp="1667030586">2022-10-29 8:03:06</span> </div> <div class="dczcomments__operations nojs--hide"> <a href="javascript:;" data-tooltip="复制链接" data-copylink="/p/968/solution/635cde3a6248fb90a939b2e6"> <span class="icon icon-link"></span> </a> <a href="javascript:;" data-tooltip="回复" data-op="reply" data-type="comment" data-form="{"operation":"reply","psid":"635cde3a6248fb90a939b2e6"}" ><span class="icon icon-reply"></span></a> </div> </div> <div class="typo" data-emoji-enabled data-raw-url="/p/968/solution/635cde3a6248fb90a939b2e6/raw"> <p>鸡</p> </div> <div class="commentbox-edit-target"></div> <ul class="dczcomments__replies commentbox-reply-target"> <li class="dczcomments__reply"> <div class="media"> <div class="media__body top"> <div class="clearfix"> <div class="supplementary dczcomments__supplementary"> <span class="user-profile-link"> <img class="small user-profile-avatar v-center" loading="lazy" src="//cn.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?d=mm&s=64" width="20" height="20"> <a class="user-profile-name" href="/user/172"> 6 (tyz) </a> </span> @ <span class="time relative" data-timestamp="1676685922">2023-2-18 2:05:22</span> </div> <div class="dczcomments__operations nojs--hide"> <a href="javascript:;" data-tooltip="回复" data-op="reply" data-type="reply"><span class="icon icon-reply"></span></a> </div> </div> <div class="typo" data-emoji-enabled data-raw-url="/p/968/solution/635cde3a6248fb90a939b2e6/63f03262fe582d833fbea99d/raw"> <p>盗我号是吧</p> </div> <div class="commentbox-edit-target"></div> </div> </div> </li> <li class="dczcomments__reply"> <div class="media"> <div class="media__body top"> <div class="clearfix"> <div class="supplementary dczcomments__supplementary"> <span class="user-profile-link"> <img class="small user-profile-avatar v-center" loading="lazy" src="//cn.gravatar.com/avatar/d41d8cd98f00b204e9800998ecf8427e?d=mm&s=64" width="20" height="20"> <a class="user-profile-name" href="/user/172"> 6 (tyz) </a> </span> @ <span class="time relative" data-timestamp="1676685939">2023-2-18 2:05:39</span> </div> <div class="dczcomments__operations nojs--hide"> <a href="javascript:;" data-tooltip="回复" data-op="reply" data-type="reply"><span class="icon icon-reply"></span></a> </div> </div> <div class="typo" data-emoji-enabled data-raw-url="/p/968/solution/635cde3a6248fb90a939b2e6/63f03273fe582d833fbea99e/raw"> <p>可能还不够资格哈哈哈哈哈</p> </div> <div class="commentbox-edit-target"></div> </div> </div> </li></ul> </div> </div> </li> <li class="dczcomments__item"> <div class="media"> <div 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(tyz) </a> <a class="user-profile-badge v-center badge--lv5" href="/user/172" data-tooltip="LV 5: Top 30%">LV 5</a> </span> @ <span class="time relative" data-timestamp="1676686892">2023-2-18 2:21:32</span> </div> <div class="dczcomments__operations nojs--hide"> <a href="javascript:;" data-tooltip="复制链接" data-copylink="/p/968/solution/63f0362cfe582d833fbeabeb"> <span class="icon icon-link"></span> </a> <a href="javascript:;" data-tooltip="回复" data-op="reply" data-type="comment" data-form="{"operation":"reply","psid":"63f0362cfe582d833fbeabeb"}" ><span class="icon icon-reply"></span></a> <a href="javascript:;" data-tooltip="编辑" data-op="edit" data-type="comment" data-form="{"operation":"edit_solution","psid":"63f0362cfe582d833fbeabeb"}" ><span class="icon icon-edit"></span></a> <a href="javascript:;" data-tooltip="删除" data-op="delete" data-type="comment" data-form="{"operation":"delete_solution","psid":"63f0362cfe582d833fbeabeb"}" ><span class="icon icon-delete"></span></a> </div> </div> <div class="typo" data-emoji-enabled data-raw-url="/p/968/solution/63f0362cfe582d833fbeabeb/raw"> <p>给个全对的题解</p> </div> <div class="commentbox-edit-target"></div> <ul class="dczcomments__replies commentbox-reply-target"></ul> </div> </div> </li></ul> <ul class="pager pager-bottom"><li> <span class="pager__item current">1</span> </li></ul> </div> </div> </div> <div class="medium-3 columns"> <div class="section side section--problem-sidebar"> <div class="section__header"> <h1 class="section__title">【入门】大小写转换</h1> </div> <div> <ol class="menu"> <li class="menu__item"><a class="menu__link" href="/p/968"> <span class="icon icon-flag"></span> 查看题目 </a></li> <li class="menu__item scratchpad--hide"><a class="menu__link" href="/p/968/submit"> <span class="icon icon-send"></span> 递交 </a></li> <li class="menu__seperator"></li> <li class="menu__item"><a class="menu__link active" href="/p/968/solution"> <span class="icon icon-comment--text"></span> 题解 </a></li> <li class="menu__item"><a class="menu__link" href="/p/968/files"> <span class="icon icon-file"></span> 文件 </a></li> </ol> </div> </div> <div class="section side"> <div class="section__header"> <h1 class="section__title">信息</h1> </div> <div class="section__body typo" data-fragment-id="problem-sidebar-information"> <dl class="large horizontal"> <dt>ID</dt> <dd>968</dd> <dt>时间</dt> <dd>1000ms</dd> <dt>内存</dt> <dd>64MiB</dd> <dt>难度</dt> <dd>10</dd> <dt>标签</dt> <dd> <ul class="problem__tags"> <li class="problem__tag"><a class="problem__tag-link" href="/p?q=category%3A%E5%AD%97%E7%AC%A6%E5%9E%8B">字符型</a></li></ul> </dd> <dt>递交数</dt> <dd><a href="/record?pid=968">8</a></dd> <dt>已通过</dt> <dd>3</dd> <dt>上传者</dt> <dd><span class="user-profile-link"> <img class="small user-profile-avatar v-center" loading="lazy" src="//q1.qlogo.cn/g?b=qq&nk=14112085&s=160" width="20" height="20"> <a class="user-profile-name" href="/user/1"> mzh </a> </span> </dd> </dl> </div></div> </div> </div> </div> <div class="footer"> <div 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-2
Davidkroos LV 8 @ 2023-2-4 11:28:04
#include<bits/stdc++.h> using namespace std; const int N = 510; int n, m; int d[N]; bool g[N][N]; int stop[N]; int q[N]; void bfs(){ memset(d, 0x3f, sizeof d); //初始化距离 q[0] = 1; d[1] = 0; int hh = 0, tt = 0; while(hh <= tt){ int t = q[hh ++ ]; for(int i = 1; i <= n; i ++ ){ //之前我一直在迷惑为什么1~n的换乘次数会等于1~n的乘车次数-1 //其实道理很简单，即从x~y点的最近距离要么是1，要么是换乘次数最少的距离 //如果x、y在同一条线路，那最短距离肯定是1 //如果不在同一条线路，那最短距离就会被换乘的站点之间更新，因为一直在找最小距离 //所以1~n的换乘次数会等于1~n的乘车次数-1 if(d[i] > d[t] + 1 && g[t][i]){ //如果点i和点t之间有通路且通过t可以找到到达i的更小距离 d[i] = d[t] + 1; q[ ++ tt] = i; } } } } int main() { cin>>m>>n; string line; getline(cin, line); //读取m、n后面的空格/换行符 while(m -- ){ getline(cin, line); //读入一行 stringstream ssin(line); //定义字符串流ssin，用line初始化ssin（相当于赋值） int cnt = 0, p; while(ssin>>p) stop[cnt ++ ] = p; //将同一条线路的每个站点和之后的每个站点连一条线 for(int i = 0; i < cnt; i ++ ){ for(int j = i + 1; j < cnt; j ++ ){ g[stop[i]][stop[j]] = true; } } } bfs(); if(d[n] == 0x3f3f3f3f) cout<<"NO"<<endl; else cout<<max(d[n] - 1, 0)<<endl; return 0; } -
-2
#include<bits/stdc++.h> using namespace std; long long read(){ long long ans=0,f=1; char ch=getchar(); while(!isdigit(ch)){ f*=(ch=='-')?-1:1; ch=getchar(); } while(isdigit(ch)){ ans=(ans<<3)+(ans<<1)+(ch^48); ch=getchar(); } return ans*f; } const int MAXN=505; int e[MAXN][MAXN],n,m,a,b; int main(){ n=read(),m=read(); memset(e,0x3f,sizeof(e)); for(int i=1;i<=m;i++){ int x=read(),y=read(),l=read(); e[x][y]=l;e[y][x]=l; } for(int k=1;k<=n;k++){ for(int i=1;i<=n;i++){ for(int j=1;j<=n;j++){ e[i][j]=min(e[i][j],e[i][k]+e[k][j]); } } } a=read(),b=read(); if(e[a][b]==0x3f3f3f3f)cout<<"No path"; else printf("%d",e[a][b]); } -
-2
#include<bits/stdc++.h> using namespace std; int read(){ int ans=0,f=1; char ch=getchar(); while(!isdigit(ch)) f *= (ch=='-') ? -1 : 1, ch = getchar(); while(isdigit(ch)) ans = ((ans<<1)+(ans<<3)+(ch^48)),ch = getchar(); return ans*f; } const int MAXX = 1e3; int N, M, sum, cnt; int g[MAXX][MAXX], flag[MAXX]; std:: queue <int> q; void dfs(int x){ if(x==1) printf("%d",x); else printf("-%d",x); sum++; flag[x] = 1; for(int i=1;i<=N;i++){ // if(!g[x][i]) continue; // if(flag[i]) continue; if(g[x][i] && (!flag[i])) dfs(i); } } int main(){ N = read(), M = read(); for(int i=1;i<=M;i++){ // int x = read(), y = read(); int x,y; cin>>x>>y; g[x][y] = 1; } dfs(1); while(sum+1<=N){ dfs(sum); }; printf("\n"); memset(flag,0,sizeof(flag)); q.push(1); flag[1] = 1; while(!q.empty()){ int F = q.front(); for(int i=1; i<=N; i++){ if(g[F][i]==1 && (flag[i]==0)){ q.push(i); flag[i] = 1; } } if(F==1) printf("%d",F); else printf("-%d",F); q.pop(); cnt++; } while(cnt<=N){ while(!q.empty()){ int F = q.front(); for(int i=1; i<=N; i++){ if(g[F][i]==1 && (flag[i]==0)){ q.push(i); flag[i] = 1; } } if(F==1) printf("%d",F); else printf("-%d",F); q.pop(); cnt++; } } // for(int i=1;i<=N;i++){ // for(int j=1;j<=N;j++){ // printf("%d ",g[i][j]); // } // printf("\n"); // } return 0; } -
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15808079883 LV 9 @ 2022-11-30 16:05:28
`
#include<iostream> using namespace std; int main(){ int a,b; cin>>a>>b; cout<<a+b; return 0; }
tyz
LV 7
@ 2023-2-18 10:22:37
