제출 #224516

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
224516	2020-04-18 09:40:29	Nightlight	Solar Storm (NOI20_solarstorm)	C++14	100 / 100	984 ms	243836 KiB

SolarStorm

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#include <bits/stdc++.h>
#define dist(a, b) (pos[a] - pos[b])
using namespace std;
long long N, K, S;
long long pos[1000005];
long long pre[1000005];
long long sh[1000005];
long long T[1000005][25];
vector<int> loc;
int lift(int u, int f) {
  for(int i = 20; i >= 0; i--) {
    if(f >= (1 << i)) {
      f -= (1 << i);
      u = T[u][i];
    }
  }
  return u;
}
int main() {
//  freopen("inp", "r", stdin);
  scanf("%lld %lld %lld", &N, &S, &K);
  for(int i = 2; i <= N; i++) {
    scanf("%lld", &pos[i]);
    pos[i] += pos[i - 1];
  }
  for(int i = 1; i <= N; i++) {
    scanf("%lld", &pre[i]);
 
 
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컴파일 시 표준 에러 (stderr) 메시지

SolarStorm.cpp: In function 'int main()':
SolarStorm.cpp:24:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld", &N, &S, &K);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SolarStorm.cpp:26:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &pos[i]);
     ~~~~~^~~~~~~~~~~~~~~~~
SolarStorm.cpp:30:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld", &pre[i]);
     ~~~~~^~~~~~~~~~~~~~~~~
SolarStorm.cpp:72:16: warning: 'id' may be used uninitialized in this function [-Wmaybe-uninitialized]
   int krg = S, p = id;
                ^

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• Subtask 2: 7 / 7
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