Submission

PP---P----

Score: 30

User: Jokul

Problemset: ไฟส่อง

Language: c

Time: 0.001 second

Submitted On: 2025-04-12 11:37:21

#include <stdio.h>

int main() {
    int n, max = 0;
    scanf("%d", &n);
    int a[n], b[n];

    // Input angles
    for (int i = 0; i < n; i++) {
        scanf("%d", &a[i]);
        scanf("%d", &b[i]);
    }

    // Calculate maximum range
    for (int i = 0; i < n; i++) {
        // Adjust for wrapping
        if (b[i] < a[i]) {
            b[i] += 360;
        }
        // Update max range
        if (max < (b[i] - a[i])) {
            max = b[i] - a[i];
        }
    }

    // Check for overlaps with other intervals
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            if (i == j) {
                continue; // Skip the same interval
            }
            // Adjust for wrapping
            int adjusted_b_j = b[j] < a[j] ? b[j] + 360 : b[j];
            if (a[j] <= b[i] && adjusted_b_j >= b[i]) {
                if (max < (adjusted_b_j - a[i])) {
                    max = adjusted_b_j - a[i];
                }
            }
        }
    }

    // Output the result
    if (max >= 360) {
        printf("360\n");
    } else {
        printf("%d\n", max);
    }

    return 0;
}