[C 백준] 2622번/삼각형 만들기

https://www.acmicpc.net/problem/2622

2622번: 삼각형만들기

#define _CRT_SECURE_NO_WARNINGS
#pragma warning(disable: 4996)
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include <math.h>
 
 
 
int n;
int cnt = 0;
int main() {
    scanf("%d", &n);
 
    for (int a = 1; a < n; a++) {
        for (int b = a; b < n; b++) {
            int c = n - (b + a);
            if (c < b) {
                break;
            }
 
            if (a + b > c) {
                cnt++;
            }
        }
    }
 
    printf("%d",cnt);
 
 
    
 
}