OJ Board

It seems the existing topic is closed and I cannot reply that one.

My code also get WA, tried many times, no clue, any help?

#include <cstdio>
#include <cstring>
using namespace std;

int buffer[200000 + 200000 + 200000 + 4];
int input[200004];

void update(int v, int begin, int end, int idx ...

try many times, still don't find why it's WA
any test case? thanks in advance.

#include <cstdio>
#include <cstring>
using namespace std;

int buffer[200000 + 200000 + 200000 + 4];
int input[200004];

void update(int v, int begin, int end, int idx)
{
// printf("update %d begin = %d end = %d\n", idx ...

segment tree is used, still don't find why it's WA
any test case? thanks in advance.

#include <cstdio>
#include <cstring>
using namespace std;

int buffer[200000 + 200000 + 200000 + 4];
int input[200004];

void update(int v, int begin, int end, int idx)
{
// printf("update %d begin = %d end = %d\n ...