Submission #307903

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
307903	2020-09-29 14:06:01	Hehehe	Jousting tournament (IOI12_tournament)	C++14	100 / 100	90 ms	3576 KiB

tournament

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#include<bits/stdc++.h>
#define inbuf_len 1 << 16
#define outbuf_len 1 << 16
using namespace std;
int n, m, r, ans, M = -1, A[100010], bad[100010], sum[100010], t[400010], check[100010];
void build(int v, int l, int r){
    if(l == r){
        t[v] = 1;
        return;
    }
    int m = l + r >> 1;
    build(v * 2, l, m);
    build(v * 2 + 1, m + 1, r);
    t[v] = t[v * 2] + t[v * 2 + 1];
}
void update(int v, int l, int r, int tl, int tr){
    if(r < tl || tr < l) return;
    if(tl <= l && r <= tr){
        t[v] = 0;
        return;
    }
    int m = l + r >> 1;
    update(v*2, l, m, tl, tr);
    update(v*2 + 1, m + 1, r, tl, tr);
    t[v] = t[v*2] + t[v*2 + 1];
}
 
 
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Compilation message (stderr)

tournament.cpp: In function 'void build(int, int, int)':
tournament.cpp:13:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   13 |     int m = l + r >> 1;
      |             ~~^~~
tournament.cpp: In function 'void update(int, int, int, int, int)':
tournament.cpp:25:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   25 |     int m = l + r >> 1;
      |             ~~^~~
tournament.cpp: In function 'int gets(int, int, int, int)':
tournament.cpp:32:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   32 |     int m = l + r >> 1;
      |             ~~^~~
tournament.cpp: In function 'int gete(int, int, int, int)':
tournament.cpp:39:15: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   39 |     int m = l + r >> 1;
      |             ~~^~~
tournament.cpp:45:1: warning: control reaches end of non-void function [-Wreturn-type]
   45 | }
      | ^

• Subtask 1: 17 / 17
• Subtask 2: 32 / 32
• Subtask 3: 51 / 51