Submission #1175749

#	Time	Username	Problem	Language	Result	Execution time	Memory
1175749		lnwrice	삶의 질 (IOI10_quality)	C++20	Compilation error	0 ms	0 KiB

quality

#include "quality.h"
#include <vector>

void merge(int start, int end, int* arr, int* tmp) {
	int i, j, k, mid = (start + end) / 2;
	if(mid <= start) return;
	merge(start, mid, arr, tmp);
	merge(mid, end, arr, tmp);

	for(i = start, j = mid, k = start; i < mid && j < end; k++) {
		if(arr[i] < arr[j]) {
			tmp[k] = arr[i];
			i++;
		}
		else {
			tmp[k] = arr[j];
			j++;
		}
	}
	for( ; i < mid; i++) {
		tmp[k] = arr[i];
		k++;
	}
	for( ; j < end; j++) {
		tmp[k] = arr[j];
		k++;
	}

	for(i = start; i < end; i++) {
		arr[i] = tmp[i];
	}
}

int rectangle(int R, int C, int H, int W, int Q[3001][3001]) {

	int i, j, k, l, t = (H*W)/2, m = 2000000024;
	//int *tmp, *arr;
	//tmp = (int *)malloc(9000001 * sizeof(int));
	//arr = (int *)malloc(9000001 * sizeof(int));

	int tmp[9000012], arr[9000012], len = 0, c;
	vector <int> rice;
	/*/*
	for(k = 0; k < H; k++) {
		for(l = 0; l < W; j++) {
			arr[len] = Q[i][j];
			len++;
		}
	}
	merge(0, len, arr, tmp);
	if(m > arr[t]) m = arr[t];
	/**/
	for(i = 0; i <= R-H; i++) {
		for(j = 0; j <= C-W; j++) {
			for(k = i; k < H+i; k++) {
				for(l = j; l < W+j; l++) {
					arr[len] = Q[k][l];
					len++;
				}
			}
			merge(0, len, arr, tmp);
			/*/*
			for(int p = 0; p < len; p++) {
				printf("%d ", arr[p]);
			}
			printf("\n");
			/**/
			if(m > arr[t]) m = arr[t];
			len = 0;
		}
	}

	return m;
}

Compilation message (stderr)

quality.cpp: In function 'int rectangle(int, int, int, int, int (*)[3001])':
quality.cpp:42:9: error: 'vector' was not declared in this scope
   42 |         vector <int> rice;
      |         ^~~~~~
quality.cpp:42:9: note: suggested alternatives:
In file included from /usr/include/c++/11/vector:67,
                 from quality.cpp:2:
/usr/include/c++/11/bits/stl_vector.h:389:11: note:   'std::vector'
  389 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
In file included from quality.cpp:2:
/usr/include/c++/11/vector:86:13: note:   'std::pmr::vector'
   86 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
quality.cpp:42:17: error: expected primary-expression before 'int'
   42 |         vector <int> rice;
      |                 ^~~