제출 #1311504

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1311504		jahirsha101	Pyramids (IOI24_pyramids)	C++20	컴파일 에러	0 ms	0 KiB

pyramids

#include <bits/stdc++.h>
using namespace std;

int N, Q;
vector<int> A, B;
vector<long long> prefA, prefB;

void init(std::vector<int> a, std::vector<int> b) {
    N = (int)a.size();
    A = std::move(a);
    B = std::move(b);
    prefA.assign(N+1,0);
    prefB.assign(N+1,0);
    for (int i=0; i<N;i++) {prefA[i+1] = prefA[i] + A[i]; prefB[i+1] = prefB[i] + B[i]; }
}

bool can_transform(int L, int R, int X, int Y) {
    long long sA = prefA[R+1] - prefA[L];
    long long sB = prefB[Y+1] - prefB[X];
    return sA == sB;
}

int main() {
  int n,q;
  if (scanf("%d %d", &n, &q) != 2) return 0;
  vector<int> a(n), b(n);
  for (int i = 0; i < n; i++) scanf("%d", &a[i]);
  for (int i = 0; i < n; i++) scanf("%d", &b[i]);
  vector<int> L(q), R(q), X(q), Y(q);
  for (int i = 0; i < q; i++) scanf("%d%d%d%d", &L[i], &R[i], &X[i], &Y[i]);

  init(a, b);
  for (int i = 0; i < q; i++) printf("%d\n", (can_transform(L[i], R[i], X[i], Y[i]) ? 1 : 0));
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

pyramids.cpp: In function 'int main()':
pyramids.cpp:27:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |   for (int i = 0; i < n; i++) scanf("%d", &a[i]);
      |                               ~~~~~^~~~~~~~~~~~~
pyramids.cpp:28:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |   for (int i = 0; i < n; i++) scanf("%d", &b[i]);
      |                               ~~~~~^~~~~~~~~~~~~
pyramids.cpp:30:36: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |   for (int i = 0; i < q; i++) scanf("%d%d%d%d", &L[i], &R[i], &X[i], &Y[i]);
      |                               ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/ccywfaZg.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc1R6UxV.o:pyramids.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status