Submission #153791

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
153791	2019-09-16 10:14:26	Mercenary	Synchronization (JOI13_synchronization)	C++14	100 / 100	271 ms	18808 KiB

synchronization

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#include<bits/stdc++.h>
#define pb push_back
#define mp make_pair
#define taskname "A"
using namespace std;
const int maxn = 1e5 + 5;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
int n , m , q;
int in[maxn] , out[maxn] ,id[maxn * 2];
int dp[maxn] , last[maxn];
int s[maxn * 8];
void build(int x , int l , int r){
    if(l == r){
        s[x] = out[id[l]];
        return;
    }
    int mid = l + r >> 1;
    build(x * 2 , l , mid);
    build(x * 2 + 1 , mid + 1 , r);
    s[x] = max(s[x * 2] , s[x * 2 + 1]);
}
void update(int x , int l , int r , int pos , int val){
    if(l == r){
        s[x] = val;
 
 
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Compilation message (stderr)

synchronization.cpp: In function 'void build(int, int, int)':
synchronization.cpp:22:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = l + r >> 1;
               ~~^~~
synchronization.cpp: In function 'void update(int, int, int, int, int)':
synchronization.cpp:33:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = l + r >> 1;
               ~~^~~
synchronization.cpp: In function 'int query(int, int, int, int, int)':
synchronization.cpp:42:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
     int mid = l + r >> 1;
               ~~^~~
synchronization.cpp: In function 'int main()':
synchronization.cpp:66:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(taskname".INP", "r",stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
synchronization.cpp:67:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen(taskname".OUT", "w",stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40