#include <stdio.h>
#define N 100
int query(int i1, int j1, int i2, int j2) {
int x;
if (i1 > i2 || j1 > j2)
return 0;
printf("%d %d %d %d\n", i1 + 1, j1 + 1, i2 + 1, j2 + 1), fflush(stdout);
scanf("%d", &x);
return x;
}
int main() {
static int aa[N][N];
int n, i, j;
scanf("%d", &n);
for (i = 0; i < n; i++)
for (j = 0; j < n; j++) {
int i1, i2, j1, j2;
if (i + 1 >= n - 1 - i)
i1 = 0, i2 = i;
else
i1 = i + 1, i2 = n - 1;
if (j + 1 >= n - 1 - j)
j1 = 0, j2 = j;
else
j1 = j + 1, j2 = n - 1;
aa[i][j] = query(i1, j1, i2, j2);
}
for (i = 0; i < n; i++)
for (j = 0; j < n; j++)
if (i + 1 < n - 1 - i && j + 1 < n - 1 - j)
aa[i][j] = aa[n - 1][n - 1] - aa[n - 1][j] - aa[i][n - 1] + aa[i][j];
else if (i + 1 < n - 1 - i)
aa[i][j] = aa[n - 1][j] - aa[i][j];
else if (j + 1 < n - 1 - j)
aa[i][j] = aa[i][n - 1] - aa[i][j];
for (i = 0; i < n; i++)
for (j = n - 1; j > 0; j--)
aa[i][j] -= aa[i][j - 1];
for (j = 0; j < n; j++)
for (i = n - 1; i > 0; i--)
aa[i][j] -= aa[i - 1][j];
printf("END\n");
for (i = 0; i < n; i++) {
for (j = 0; j < n; j++)
printf("%d", aa[i][j]);
printf("\n");
}
fflush(stdout);
return 0;
}
Compilation message
treasure.cpp: In function 'int query(int, int, int, int)':
treasure.cpp:11:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
11 | scanf("%d", &x);
| ~~~~~^~~~~~~~~~
treasure.cpp: In function 'int main()':
treasure.cpp:19:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
19 | scanf("%d", &n);
| ~~~~~^~~~~~~~~~
/usr/bin/ld: /tmp/cc9RoYwv.o: in function `main':
treasure.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccIIeeZt.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccIIeeZt.o: in function `main':
grader.c:(.text.startup+0x103): undefined reference to `findTreasure(int)'
collect2: error: ld returned 1 exit status
