Submission #426144

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
426144	2021-06-13 14:39:39	duality	The short shank; Redemption (BOI21_prison)	C++11	100 / 100	671 ms	223492 KiB

prison

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#include <bits/stdc++.h>
using namespace std;
#define mp make_pair
#define pb push_back
typedef long long int LLI;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef vector<pii> vpii;
int t[2000000];
vpii in;
vpii S;
vi adjList[2000000];
vi S2;
int height[2000000];
vi vv;
int doDFS(int u) {
    int i;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        doDFS(v),height[u] = max(height[u],height[v]+1);
    }
    return 0;
}
int doDFS2(int u,int l) {
    int i,f = 0;
    for (i = 0; i < adjList[u].size(); i++) {
        int v = adjList[u][i];
        if (!f && (height[u] == height[v]+1)) doDFS2(v,l+1),f = 1;
        else doDFS2(v,1);
 
 
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Compilation message (stderr)

prison.cpp: In function 'int doDFS(int)':
prison.cpp:19:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for (i = 0; i < adjList[u].size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~~~~~
prison.cpp: In function 'int doDFS2(int, int)':
prison.cpp:27:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   27 |     for (i = 0; i < adjList[u].size(); i++) {
      |                 ~~^~~~~~~~~~~~~~~~~~~
prison.cpp: In function 'int main()':
prison.cpp:51:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |     for (i = 0; i < in.size(); i++) {
      |                 ~~^~~~~~~~~~~
prison.cpp:58:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |     for (i = 0; i < S2.size(); i++) {
      |                 ~~^~~~~~~~~~~
prison.cpp:38:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |     scanf("%d %d %d",&N,&D,&T);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~
prison.cpp:39:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |     for (i = 0; i < N; i++) scanf("%d",&t[i]),t[i] -= i;
      |                             ~~~~~^~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 20 / 20
• Subtask 4: 10 / 10
• Subtask 5: 25 / 25
• Subtask 6: 20 / 20