Submission #1088529

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1088529	2024-09-14 14:54:14	Sunbae	Palembang Bridges (APIO15_bridge)	C++17	22 / 100	122 ms	8020 KiB

bridge

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#include <bits/stdc++.h>
typedef long long ll;
#define F first
#define S second
#define mp make_pair
using namespace std;
using pii = pair<int,int>;
const int N = 1e5 + 5, M = 2e5 + 5;
int sz, m, med[2][N], bit[M], cp[M];
ll BIT[M], Ans[2][N];
pii A[N];
int pos(int x){ return upper_bound(cp, cp+m, x) - cp;}
void upd(int i, int v){ for(; i<M; i+=i&-i) bit[i] += v;}
void UPD(int i, ll v){ for(; i<M; i+=i&-i) BIT[i] += v;}
int qry(int i){ int res = 0; for(; i; i-=i&-i) res += bit[i]; return res;}
ll QRY(int i){ ll res = 0; for(; i; i-=i&-i) res += BIT[i]; return res;}
int _find(int k){
  int i = 0, sum = 0;
  for(int j = 18; j>=0; --j){
    if(i+(1<<j) < M && sum + bit[i+(1<<j)] < k) sum += bit[i+=(1<<j)];
  }
  return i + 1;
}
signed main(){
  int k, n; scanf("%d %d", &k, &n);
  ll tot = 0;
  for(int i = 0, p[2]; i<n; ++i){
    char c[2]; scanf(" %c %d %c %d", c, p, c+1, p+1); if(p[0] > p[1]) swap(p[0], p[1]);
    if(c[0] == c[1]) tot += p[1] - p[0];
    else{
 
 
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Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:25:17: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |  int k, n; scanf("%d %d", &k, &n);
      |            ~~~~~^~~~~~~~~~~~~~~~~
bridge.cpp:28:19: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |   char c[2]; scanf(" %c %d %c %d", c, p, c+1, p+1); if(p[0] > p[1]) swap(p[0], p[1]);
      |              ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 8 / 8
• Subtask 2: 14 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37