Submission #1175944

#	Time	Username	Problem	Language	Result	Execution time	Memory
1175944		p714f6urs	A Plus B (IOI23_aplusb)	C++20	Compilation error	0 ms	0 KiB

aplusb

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#include <iostream>

int* smallest_sums(int N, int A[], int B[]) {
	int *result = new int[N];
	int *BI = new int[N];
	memset(BI, 0, N*sizeof(int));
	for(int RI = 0; RI < N; RI++) {
		int LI = INT32_MAX, min = INT32_MAX, minidx;
		for(int AI = 0; AI < N; AI++) {
			if(BI[AI] >= LI) break;
			int sum = A[AI] + B[BI[AI]];
			if(sum < min) {
				min = sum;
				minidx = AI;
			}
			LI = BI[AI];
		}
		BI[minidx] ++;
		result[RI] = min;
	}
	delete [] BI;
	return result;
}

int main() {
	int N;
	std::cin.operator>>(N);
	int *A = new int[2*N];
	int *B = &A[N];
	for(int i = 0; i < 2*N; i++) {
		std::cin.operator>>(A[i]);
	}

	int* result = smallest_sums(N, A, B);

	for(int i = 0; i < N; i++) {
		std::cout<<(result[i]);
		std::cout<<(' ');
	}
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccdS4X9Y.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccV1nVKl.o:aplusb.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccdS4X9Y.o: in function `main':
grader.cpp:(.text.startup+0x251): undefined reference to `smallest_sums(int, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status